40 Stocks Moving In Thursday's Mid-Day Session

Gainers

• Comstock Resources, Inc. CRK shares shot up 52 percent to $7.235 after the company disclosed a deal with Arkoma Drilling L.P. and Williston Drilling, L.P. to buy oil & gas properties in North Dakota. Comstock announced withdrawal of tender offers for outstanding secured notes.
• MarineMax, Inc. HZO shares gained 24.2 percent to $21.80 as the company posted upbeat Q2 results and raised its FY18 outlook.
• Mattersight Corporation MATR shares rose 22 percent to $2.625 after the company agreed to be purchased by NICE Ltd.
• Chipotle Mexican Grill, Inc. CMG jumped 21.3 percent to $411.871 as the company reported stronger-than-expected results for its first quarter on Wednesday.
• Axsome Therapeutics, Inc. AXSM rose 17 percent to $3.10 after the company disclosed a positive outcome of the interim analysis of STRIDE-1 Phase 3 trial of AXS-05 in treatment resistant depression.
• Ultra Clean Holdings, Inc. UCTT rose 15.9 percent to $18.34 following upbeat Q1 earnings.
• PCM, Inc. PCMI gained 15.6 percent to $12.20 following Q1 results.
• O'Reilly Automotive, Inc. ORLY surged 14.4 percent to $260.3901 following upbeat Q1 profit.
• Concord Medical Services Holdings Limited CCM gained 13.8 percent to $3.70.
• Penn National Gaming, Inc. PENN rose 13.5 percent to $29.815 after reporting strong Q1 results.
• BioTelemetry, Inc. BEAT rose 13.5 percent to $38.30 as the company reported stronger-than-expected earnings for its first quarter.
• Advanced Micro Devices, Inc. AMD shares rose 13.1 percent to $10.985 as the company reported upbeat results for its first quarter.
• SJW Group SJW shares gained 11.8 percent to $63.59 following Q1 results. California Water Service Group made an offer for SJW.
• Churchill Downs Incorporated CHDN climbed 9.8 percent to $278.40 following Q1 results.
• CYS Investments, Inc. CYS rose 9 percent to $7.215 after the company agreed to be acquired by Two Harbors Investment Corp TWO.
• Facebook, Inc. FB climbed 8.6 percent to $173.38 as the company reported better-than-expected earnings for its first quarter on Wednesday.
• CoreLogic, Inc. CLGX gained 8.4 percent to $47.46 after reporting Q1 results.
• Domino's Pizza, Inc. DPZ shares rose 8.3 percent to $252.87 after posting better-than-expected earnings for its first quarter.
• Visa Inc. V rose 4.4 percent to $126.485 after the company reported upbeat results for its second quarter and raised its earnings forecast for the full year.
• PayPal Holdings, Inc. PYPL shares rose 3.3 percent to $76.43 as the company reported better-than-expected earnings for its first quarter on Wednesday.

Check out these big penny stock gainers and losers

Losers

• HRG Group, Inc. HRG shares tumbled 32 percent to $10.21.
• Check-Cap Ltd. CHEK fell 31.6 percent to $8.80 after declining 13.45 percent on Wednesday.
• Spectrum Brands Holdings, Inc. SPB shares dipped 30.2 percent to $65.80 as the company posted downbeat quarterly earnings. Spectrum Brands named David Maura as CEO and reported a $1 billion buyback plan.
• Essendant Inc. ESND fell 23.3 percent to $7.365 after reporting downbeat quarterly earnings.
• LeMaitre Vascular, Inc. LMAT dropped 21.1 percent to $30.79 after the company reported weaker-than-expected Q1 results.
• Anixter International Inc. AXE dipped 17.8 percent to $64.40 following Q1 results.
• LKQ Corporation LKQ fell 17.4 percent to $31.0401 following weaker-than-expected quarterly earnings.
• FARO Technologies, Inc. FARO dropped 17.2 percent to $50.20 as the company posted downbeat quarterly results.
• Arch Coal, Inc. ARCH slipped 13.9 percent to $82.68 following downbeat quarterly earnings.
• Magellan Health, Inc. MGLN fell 13.8 percent to $79.90 after reporting Q1 results.
• LendingTree, Inc. TREE dropped 12.7 percent to $268 following downbeat quarterly earnings.
• Shutterstock, Inc. SSTK dipped 12 percent to $44.27 after the company posted weak quarterly earnings.
• Aaron's, Inc. AAN fell 10.7 percent to $40.29 after reporting downbeat quarterly earnings.
• SunCoke Energy Partners, L.P. SXCP fell 8.8 percent to $16.695 after reporting Q1 results.
• Briggs & Stratton Corporation BGG declined 8.4 percent to $18.05 after the company posted mixed Q3 results and lowered its FY18 guidance.
• Stratasys Ltd. SSYS dropped 8 percent to $19.04. Piper Jaffray downgraded Stratasys from Overweight to Neutral.
• Orchids Paper Products Company TIS dropped 7.2 percent to $6.570 following Q1 results.
• New Gold Inc. NGD declined 7 percent to $2.335 following downbeat Q1 results.
• eBay Inc. EBAY fell 5.9 percent to $38.57 following Q1 results.
• Quality Care Properties, Inc. QCP fell 5 percent to $21.57. Welltower announced plans to acquire QCP for $20.75 per share in cash.