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David Toung's Stock Ratings
Argus Research Analyst
David Toung is an analyst at Argus Research. Analyst ratings are quantitative and qualitative analysis of a stock by Wall Street stock rating analysts. Stock ratings consist of expected future growth, current stock valuation and macroeconomic trends. Updated 12/15/2025
Updated: Dec 15, 2025
Overall Average Return
10.1%
Smart Score
Overall Average Return Percentile
57th
Number of Ratings
153
| Buy Now | Get Alert | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 11/20/2025 | TECH | Buy Now | Bio-Techne | $57.34 | 18.59% | $65 → $68 | Maintains | Buy | Get Alert | |
| 10/29/2025 | TMO | Buy Now | Thermo Fisher Scientific | $567.68 | 7.45% | $580 → $610 | Maintains | Buy | Get Alert | |
| 09/19/2025 | HOLX | Buy Now | Hologic | $75.09 | 19.85% | $80 → $90 | Maintains | Buy | Get Alert | |
| 08/26/2025 | MDT | Buy Now | Medtronic | $97.80 | 17.59% | $105 → $115 | Maintains | Buy | Get Alert | |
| 08/14/2025 | HUM | Buy Now | Humana | $268.90 | 4.87% | $281.99 → $281.99 | Reiterates | Hold → Hold | Get Alert | |
| 07/21/2025 | ELV | Buy Now | Elevance Health | $361.05 | — | — | Downgrade | Buy → Hold | Get Alert | |
| 07/01/2025 | GFS | Buy Now | GLOBALFOUNDRIES | $36.84 | 41.15% | → $52 | Initiates | → Buy | Get Alert | |
| 04/29/2025 | TMO | Buy Now | Thermo Fisher Scientific | $567.68 | -17.21% | $620 → $470 | Maintains | Buy | Get Alert | |
| 04/25/2025 | ELV | Buy Now | Elevance Health | $361.05 | 28.79% | $450 → $465 | Maintains | Buy | Get Alert | |
| 04/21/2025 | UNH | Buy Now | UnitedHealth Group | $337.17 | — | — | Downgrade | Buy → Hold | Get Alert | |
| 03/31/2025 | IART | Buy Now | Integra Lifesciences | $13.39 | — | — | Upgrade | Hold → Buy | Get Alert | |
| 03/17/2025 | ELV | Buy Now | Elevance Health | $361.05 | 24.64% | → $450 | Upgrade | Hold → Buy | Get Alert | |
| 01/29/2025 | ELV | Buy Now | Elevance Health | $361.05 | 12.28% | $405.4 → $405.4 | Reiterates | Hold → Hold | Get Alert | |
| 11/04/2024 | ABBV | Buy Now | AbbVie | $224.13 | — | — | Upgrade | Hold → Buy | Get Alert | |
| 09/11/2024 | CAH | Buy Now | Cardinal Health | $197.01 | -36.55% | $115 → $125 | Maintains | Buy | Get Alert | |
| 07/17/2024 | UNH | Buy Now | UnitedHealth Group | $337.17 | 77.95% | $570 → $600 | Maintains | Buy | Get Alert | |
| 06/28/2024 | CRL | Buy Now | Charles River | $197.09 | — | — | Downgrade | Buy → Hold | Get Alert | |
| 06/27/2024 | AMGN | Buy Now | Amgen | $324.57 | 4.75% | $300 → $340 | Maintains | Buy | Get Alert | |
| 06/24/2024 | MCK | Buy Now | McKesson | $809.83 | -17.27% | $570 → $670 | Maintains | Buy | Get Alert | |
| 05/21/2024 | ZBH | Buy Now | Zimmer Biomet Holdings | $91.39 | 64.13% | → $150 | Upgrade | Hold → Buy | Get Alert | |
| 05/15/2024 | CAH | Buy Now | Cardinal Health | $197.01 | -41.63% | $120 → $115 | Maintains | Buy | Get Alert | |
| 05/14/2024 | LLY | Buy Now | Eli Lilly and Co | $1.05K | -20.27% | $770 → $840 | Maintains | Buy | Get Alert | |
| 05/09/2024 | HOLX | Buy Now | Hologic | $75.09 | 26.51% | $89 → $95 | Maintains | Buy | Get Alert | |
| 04/10/2024 | MCK | Buy Now | McKesson | $809.83 | -29.61% | $510 → $570 | Maintains | Buy | Get Alert | |
| 04/01/2024 | GEHC | Buy Now | GE HealthCare Techs | $82.77 | 32.9% | $80 → $110 | Maintains | Buy | Get Alert | |
| 03/25/2024 | LH | Buy Now | Laboratory Corp | $260.93 | — | — | Upgrade | Hold → Buy | Get Alert | |
| 03/22/2024 | PFE | Buy Now | Pfizer | $25.18 | — | — | Downgrade | Buy → Hold | Get Alert | |
| 03/18/2024 | CRL | Buy Now | Charles River | $197.09 | 47.14% | $240 → $290 | Maintains | Buy | Get Alert | |
| 03/13/2024 | HUM | Buy Now | Humana | $268.90 | — | — | Downgrade | Buy → Hold | Get Alert | |
| 02/09/2024 | CAH | Buy Now | Cardinal Health | $197.01 | — | — | Upgrade | Hold → Buy | Get Alert | |
| 12/12/2023 | HUM | Buy Now | Humana | $268.90 | 104.53% | → $550 | Upgrade | Hold → Buy | Get Alert | |
| 11/06/2023 | TMO | Buy Now | Thermo Fisher Scientific | $567.68 | -3.12% | $540 → $550 | Maintains | Buy | Get Alert | |
| 10/17/2023 | AMGN | Buy Now | Amgen | $324.57 | -4.49% | $280 → $310 | Maintains | Buy | Get Alert | |
| 10/09/2023 | MCK | Buy Now | McKesson | $809.83 | -40.73% | $450 → $480 | Maintains | Buy | Get Alert | |
| 09/18/2023 | AMGN | Buy Now | Amgen | $324.57 | -13.73% | $260 → $280 | Maintains | Buy | Get Alert | |
| 09/05/2023 | LLY | Buy Now | Eli Lilly | $1.05K | -41.15% | $470 → $620 | Maintains | Buy | Get Alert | |
| 09/05/2023 | CTLT | Buy Now | Catalent | — | — | → $62 | Upgrade | Hold → Buy | Get Alert | |
| 06/29/2023 | MCK | Buy Now | McKesson | $809.83 | -44.43% | $430 → $450 | Maintains | Buy | Get Alert | |
| 06/26/2023 | AMGN | Buy Now | Amgen | $324.57 | -19.89% | $270 → $260 | Maintains | Buy | Get Alert | |
| 06/23/2023 | HUM | Buy Now | Humana | $268.90 | — | — | Downgrade | Buy → Hold | Get Alert | |
| 06/08/2023 | IART | Buy Now | Integra Lifesciences | $13.39 | — | — | Downgrade | Buy → Hold | Get Alert | |
| 05/25/2023 | SYK | Buy Now | Stryker | $351.81 | -11.88% | $285 → $310 | Maintains | Buy | Get Alert | |
| 05/22/2023 | SILK | Buy Now | Silk Road Medical | — | — | $70 → $55 | Maintains | Buy | Get Alert | |
| 05/10/2023 | HCA | Buy Now | HCA Healthcare | $469.84 | -34.02% | $285 → $310 | Maintains | Buy | Get Alert | |
| 02/21/2023 | SYK | Buy Now | Stryker | $351.81 | -18.99% | $270 → $285 | Maintains | Buy | Get Alert | |
| 02/13/2023 | HCA | Buy Now | HCA Healthcare | $469.84 | -39.34% | $260 → $285 | Maintains | Buy | Get Alert | |
| 01/12/2023 | ABC | Buy Now | AmerisourceBergen | — | — | $170 → $190 | Maintains | Buy | Get Alert | |
| 01/09/2023 | SILK | Buy Now | Silk Road Medical | — | — | $60 → $70 | Maintains | Buy | Get Alert | |
| 12/22/2022 | ISRG | Buy Now | Intuitive Surgical | $549.59 | -41.77% | $265 → $320 | Maintains | Buy | Get Alert | |
| 11/22/2022 | SILK | Buy Now | Silk Road Medical | — | — | $70 → $60 | Maintains | Buy | Get Alert | |
| 11/07/2022 | CTLT | Buy Now | Catalent | — | — | — | Downgrade | Buy → Hold | Get Alert | |
| 09/12/2022 | MCK | Buy Now | McKesson | $809.83 | -46.9% | $370 → $430 | Maintains | Buy | Get Alert | |
| 07/28/2022 | ABT | Buy Now | Abbott Laboratories | $127.18 | 6.15% | $150 → $135 | Maintains | Buy | Get Alert | |
| 07/25/2022 | UNH | Buy Now | UnitedHealth Group | $337.17 | 92.78% | $580 → $650 | Maintains | Buy | Get Alert | |
| 07/20/2022 | ABC | Buy Now | AmerisourceBergen | — | — | $160 → $170 | Maintains | Buy | Get Alert | |
| 05/27/2022 | TMO | Buy Now | Thermo Fisher Scientific | $567.68 | 12.74% | $680 → $640 | Maintains | Buy | Get Alert | |
| 03/14/2022 | ABC | Buy Now | AmerisourceBergen | — | — | $140 → $160 | Maintains | Buy | Get Alert | |
| 01/28/2022 | GILD | Buy Now | Gilead Sciences | $119.59 | -37.29% | → $75 | Upgrade | Hold → Buy | Get Alert | |
| 11/23/2021 | ZBH | Buy Now | Zimmer Biomet Holdings | $91.39 | — | — | Downgrade | Buy → Hold | Get Alert | |
| 11/01/2021 | BMY | Buy Now | Bristol-Myers Squibb | $54.19 | — | — | Downgrade | Buy → Hold | Get Alert | |
| 11/01/2021 | MRK | Buy Now | Merck & Co | $97.82 | 12.45% | → $110 | Upgrade | Hold → Buy | Get Alert | |
| 08/27/2021 | MDT | Buy Now | Medtronic | $97.80 | 68.72% | $150 → $165 | Maintains | Buy | Get Alert | |
| 08/04/2021 | TMO | Buy Now | Thermo Fisher Scientific | $567.68 | 5.69% | $530 → $600 | Maintains | Buy | Get Alert | |
| 08/02/2021 | TDOC | Buy Now | Teladoc Health | $7.33 | — | — | Downgrade | Buy → Hold | Get Alert | |
| 06/18/2021 | TECH | Buy Now | Bio-Techne | $57.34 | 754.55% | $440 → $490 | Maintains | Buy | Get Alert | |
| 06/03/2021 | MDT | Buy Now | Medtronic | $97.80 | 53.38% | $135 → $150 | Maintains | Buy | Get Alert | |
| 05/24/2021 | ISRG | Buy Now | Intuitive Surgical | $549.59 | 63.76% | $840 → $900 | Maintains | Buy | Get Alert | |
| 05/20/2021 | MRK | Buy Now | Merck & Co | $97.82 | — | — | Downgrade | Buy → Hold | Get Alert | |
| 04/21/2021 | UNH | Buy Now | UnitedHealth Group | $337.17 | 33.47% | → $450 | Upgrade | Hold → Buy | Get Alert | |
| 04/12/2021 | AZN | Buy Now | AstraZeneca | $90.56 | — | — | Downgrade | Buy → Hold | Get Alert | |
| 03/30/2021 | MCK | Buy Now | McKesson | $809.83 | -71.6% | → $230 | Upgrade | Hold → Buy | Get Alert | |
| 03/10/2021 | NVS | Buy Now | Novartis | $134.91 | — | — | Downgrade | Buy → Hold | Get Alert | |
| 01/21/2021 | ABC | Buy Now | AmerisourceBergen | — | — | $120 → $140 | Maintains | Buy | Get Alert | |
| 10/19/2020 | UNH | Buy Now | UnitedHealth Group | $337.17 | — | — | Downgrade | Buy → Hold | Get Alert | |
| 09/28/2020 | ISRG | Buy Now | Intuitive Surgical | $549.59 | — | — | Initiates | → Buy | Get Alert | |
| 09/14/2020 | CRL | Buy Now | Charles River | $197.09 | 19.23% | $190 → $235 | Maintains | Buy | Get Alert | |
| 07/27/2020 | TMO | Buy Now | Thermo Fisher Scientific | $567.68 | -20.73% | $370 → $450 | Maintains | Buy | Get Alert | |
| 07/23/2020 | ABT | Buy Now | Abbott Laboratories | $127.18 | -1.71% | $110 → $125 | Maintains | Buy | Get Alert | |
| 06/02/2020 | ABBV | Buy Now | AbbVie | $224.13 | -48.69% | → $115 | Upgrade | Hold → Buy | Get Alert | |
| 05/06/2020 | AZN | Buy Now | AstraZeneca | $90.56 | -33.74% | $54 → $60 | Maintains | Buy | Get Alert | |
| 03/27/2020 | JNJ | Buy Now | Johnson & Johnson | $212.33 | -27% | $165 → $155 | Reiterates | → Buy | Get Alert | |
| 03/24/2020 | MRK | Buy Now | Merck & Co | $97.82 | -2.88% | $105 → $95 | Maintains | Buy | Get Alert | |
| 02/24/2020 | TMO | Buy Now | Thermo Fisher Scientific | $567.68 | -34.82% | $340 → $370 | Maintains | Buy | Get Alert | |
| 12/30/2019 | LLY | Buy Now | Eli Lilly | $1.05K | -84.34% | $145 → $165 | Maintains | Buy | Get Alert | |
| 12/13/2019 | BMY | Buy Now | Bristol-Myers Squibb | $54.19 | 47.64% | → $80 | Upgrade | Hold → Buy | Get Alert | |
| 12/09/2019 | AMGN | Buy Now | Amgen | $324.57 | -18.35% | $240 → $265 | Maintains | Buy | Get Alert | |
| 08/27/2019 | CAH | Buy Now | Cardinal Health | $197.01 | — | — | Downgrade | Buy → Hold | Get Alert | |
| 08/27/2019 | CAH | Buy Now | Cardinal Health | $197.01 | — | — | Downgrade | Buy → Hold | Get Alert | |
| 08/12/2019 | ZBH | Buy Now | Zimmer Biomet Holdings | $91.39 | — | — | Upgrade | Hold → Buy | Get Alert | |
| 06/03/2019 | ABC | Buy Now | AmerisourceBergen | — | — | $115 → $100 | Maintains | Buy | Get Alert | |
| 05/20/2019 | BMY | Buy Now | Bristol-Myers Squibb | $54.19 | — | — | Downgrade | Buy → Hold | Get Alert | |
| 05/01/2019 | TMO | Buy Now | Thermo Fisher Scientific | $567.68 | -45.39% | $285 → $310 | Maintains | Buy | Get Alert | |
| 12/17/2018 | UNH | Buy Now | UnitedHealth Group | $337.17 | -12.51% | $285 → $295 | Maintains | Buy | Get Alert | |
| 11/06/2018 | ABBV | Buy Now | AbbVie | $224.13 | -48.69% | $130 → $115 | Maintains | Buy | Get Alert | |
| 10/08/2018 | MDT | Buy Now | Medtronic | $97.80 | 22.71% | $108 → $120 | Maintains | Buy | Get Alert | |
| 10/02/2018 | TECH | Buy Now | Bio-Techne | $57.34 | 301.12% | $210 → $230 | Maintains | Buy | Get Alert | |
| 08/31/2018 | WCG | Buy Now | WellCare Health Plans | — | — | $265 → $360 | Maintains | Buy | Get Alert | |
| 08/27/2018 | MDT | Buy Now | Medtronic | $97.80 | 10.44% | $95 → $108 | Maintains | Buy | Get Alert | |
| 08/27/2018 | CRL | Buy Now | Charles River | $197.09 | -28.97% | $125 → $140 | Maintains | Buy | Get Alert | |
| 07/16/2018 | CAH | Buy Now | Cardinal Health | $197.01 | -61.93% | $85 → $75 | Maintains | Buy | Get Alert | |
| 06/22/2018 | ZBH | Buy Now | Zimmer Biomet Holdings | $91.39 | — | — | Downgrade | Buy → Hold | Get Alert | |
| 06/15/2018 | TECH | Buy Now | Bio-Techne | $57.34 | 222.64% | → $185 | Initiates | → Buy | Get Alert | |
| 06/11/2018 | ABBV | Buy Now | AbbVie | $224.13 | -42% | $145 → $130 | Maintains | Buy | Get Alert | |
| 06/07/2018 | WCG | Buy Now | WellCare Health Plans | — | — | → $265 | Initiates | → Buy | Get Alert | |
| 05/23/2018 | CELG | Buy Now | Celgene | — | — | — | Downgrade | Buy → Hold | Get Alert | |
| 04/16/2018 | HUM | Buy Now | Humana | $268.90 | 22.72% | $270 → $330 | Maintains | Buy | Get Alert | |
| 04/02/2018 | CAH | Buy Now | Cardinal Health | $197.01 | -56.85% | → $85 | Upgrade | Hold → Buy | Get Alert | |
| 02/02/2018 | ABBV | Buy Now | AbbVie | $224.13 | -35.31% | $120 → $145 | Maintains | Buy | Get Alert | |
| 01/23/2018 | AMGN | Buy Now | Amgen | $324.57 | -32.22% | → $220 | Upgrade | Hold → Buy | Get Alert | |
| 12/13/2017 | CRL | Buy Now | Charles River | $197.09 | -39.12% | → $120 | Initiates | → Buy | Get Alert | |
| 12/12/2017 | MDT | Buy Now | Medtronic | $97.80 | — | — | Upgrade | Hold → Buy | Get Alert | |
| 12/07/2017 | AGN | Buy Now | Allergan | — | — | — | Downgrade | Buy → Hold | Get Alert | |
| 12/06/2017 | AET | Buy Now | Aetna | — | — | — | Downgrade | Buy → Hold | Get Alert | |
| 11/15/2017 | CAH | Buy Now | Cardinal Health | $197.01 | — | — | Downgrade | Buy → Hold | Get Alert | |
| 11/13/2017 | GILD | Buy Now | Gilead Sciences | $119.59 | — | — | Downgrade | Buy → Hold | Get Alert | |
| 11/01/2017 | AMGN | Buy Now | Amgen | $324.57 | — | — | Downgrade | Buy → Hold | Get Alert | |
| 10/19/2017 | UNH | Buy Now | UnitedHealth Group | $337.17 | -31.78% | $215 → $230 | Maintains | Buy | Get Alert | |
| 10/18/2017 | JNJ | Buy Now | Johnson & Johnson | $212.33 | -22.29% | $145 → $165 | Maintains | Buy | Get Alert | |
| 09/12/2017 | AET | Buy Now | Aetna | — | — | $165 → $185 | Maintains | Buy | Get Alert | |
| 08/31/2017 | GILD | Buy Now | Gilead Sciences | $119.59 | — | — | Upgrade | Hold → Buy | Get Alert | |
| 07/31/2017 | CELG | Buy Now | Celgene | — | — | — | Upgrade | Hold → Buy | Get Alert | |
| 07/27/2017 | AMGN | Buy Now | Amgen | $324.57 | -39.92% | $180 → $195 | Maintains | Buy | Get Alert | |
| 07/21/2017 | ABT | Buy Now | Abbott Laboratories | $127.18 | -51.25% | $55 → $62 | Maintains | Buy | Get Alert | |
| 06/09/2017 | HUM | Buy Now | Humana | $268.90 | — | — | Upgrade | Hold → Buy | Get Alert | |
| 05/05/2017 | CELG | Buy Now | Celgene | — | — | — | Downgrade | Buy → Hold | Get Alert | |
| 11/10/2016 | NVS | Buy Now | Novartis | $134.91 | — | — | Upgrade | Hold → Buy | Get Alert | |
| 08/29/2016 | AZN | Buy Now | AstraZeneca | $90.56 | — | — | Upgrade | Hold → Buy | Get Alert | |
| 07/29/2016 | GILD | Buy Now | Gilead Sciences | $119.59 | — | — | Downgrade | Buy → Hold | Get Alert | |
| 07/22/2016 | UNH | Buy Now | UnitedHealth Group | $337.17 | — | — | Upgrade | Hold → Buy | Get Alert | |
| 07/20/2016 | JNJ | Buy Now | Johnson & Johnson | $212.33 | — | — | Upgrade | Hold → Buy | Get Alert | |
| 07/12/2016 | AZN | Buy Now | AstraZeneca | $90.56 | — | — | Initiates | → Hold | Get Alert | |
| 05/25/2016 | ZBH | Buy Now | Zimmer Biomet Holdings | $91.39 | — | — | Upgrade | Hold → Buy | Get Alert | |
| 05/25/2016 | ZBH | Buy Now | Zimmer Biomet Holdings | $91.39 | — | — | Upgrade | → Buy | Get Alert | |
| 04/20/2016 | JNJ | Buy Now | Johnson & Johnson | $212.33 | — | — | Maintains | Buy | Get Alert | |
| 04/05/2016 | NVS | Buy Now | Novartis | $134.91 | — | — | Initiates | → Hold | Get Alert | |
| 03/04/2016 | ZBH | Buy Now | Zimmer Biomet Holdings | $91.39 | — | — | Downgrade | Buy → Hold | Get Alert | |
| 02/08/2016 | AMGN | Buy Now | Amgen | $324.57 | — | — | Maintains | Buy | Get Alert | |
| 02/05/2016 | ABT | Buy Now | Abbott Laboratories | $127.18 | — | — | Upgrade | Hold → Buy | Get Alert | |
| 07/07/2015 | HUM | Buy Now | Humana | $268.90 | — | — | Downgrade | Buy → Hold | Get Alert | |
| 07/02/2015 | HUM | Buy Now | Humana | $268.90 | — | — | Maintains | Buy | Get Alert | |
| 05/13/2015 | ABC | Buy Now | AmerisourceBergen | — | — | — | Maintains | Buy | Get Alert | |
| 03/03/2015 | CAH | Buy Now | Cardinal Health | $197.01 | — | — | Maintains | Buy | Get Alert | |
| 02/27/2015 | BMY | Buy Now | Bristol-Myers Squibb | $54.19 | — | — | Maintains | Buy | Get Alert | |
| 10/03/2014 | AET | Buy Now | Aetna Inc. | — | — | — | Upgrade | Hold → Buy | Get Alert | |
| 05/22/2014 | HUM | Buy Now | Humana | $268.90 | — | — | Maintains | Buy | Get Alert | |
| 04/22/2014 | AGN | Buy Now | Allergan | — | — | — | Downgrade | Buy → Hold | Get Alert | |
| 11/20/2013 | MDT | Buy Now | Medtronic | $97.80 | — | — | Downgrade | Buy → Hold | Get Alert | |
| 08/12/2013 | ABBV | Buy Now | AbbVie | $224.13 | — | — | Initiates | → Buy | Get Alert | |
| 06/13/2013 | CELG | Buy Now | Celgene | — | — | — | Upgrade | Hold → Buy | Get Alert | |
| 06/13/2013 | GILD | Buy Now | Gilead Sciences | $119.59 | — | — | Upgrade | Hold → Buy | Get Alert | |
| 01/28/2013 | CELG | Buy Now | Celgene | — | — | — | Downgrade | Buy → Hold | Get Alert | |
| 01/25/2013 | AMGN | Buy Now | Amgen | $324.57 | — | — | Upgrade | Hold → Buy | Get Alert | |
| 05/16/2012 | AET | Buy Now | Aetna | — | — | — | Downgrade | Buy → Hold | Get Alert |
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