31 Stocks Moving In Monday's Mid-Day Session

Gainers

• Klondex Mines Ltd. KLDX shares climbed 57.63 percent to $2.2699. Hecla Mining Company HL announced plans to acquire Klondex Mines for $462 million.
• Heron Therapeutics, Inc. HRTX jumped 32.1 percent to $28.40 as the company disclosed that its Phase 3 trial of HTX-011 met all primary and key secondary endpoints.
• Xerium Technologies, Inc. XRM shares surged 24.5 percent to $6.81 as the company reported a review of strategic alternatives to maximize shareholder value.
• Geron Corporation GERN shares gained 22.9 percent to $4.14. Geron reported Q4 loss of $0.05 per share on sales of $191,000.
• Arcadia Biosciences, Inc. RKDA shares gained 18.8 percent to $49.78. Arcadia Biosciences reported the official launch of its GoodWheat™ consumer brand.
• Xtant Medical Holdings, Inc. XTNT gained 13.8 percent to $10.20.
• MediWound Ltd. MDWD rose 12.2 percent to $4.60. MediWound reported Q4 loss of $0.09 per share on sales of $530,000.
• Stewart Information Services Corporation STC surged 9.5 percent to $44.605 as the company agreed to be acquired by Fidelity National Financial.
• Cronos Group Inc. CRON rose 8.8 percent to $8.51.
• JinkoSolar Holding Co., Ltd. JKS rose 8.3 percent to $20.96 after gaining 4.43 percent on Friday.
• SELLAS Life Sciences Group, Inc. SLS gained 7.2 percent to $5.1361. SELLAS Life Sciences announced the presentation of Phase 2 results for galinpepimut-S in high-risk multiple myeloma at the European Society for Blood and Marrow Transplantation Meeting.
• Orbotech Ltd. ORBK climbed 6.8 percent to $64.00. KLA-Tencor Corp KLAC announced plans to buy Orbotech in a $3.4 billion deal.
• Barclays PLC BCS shares rose 5.5 percent to $12.41. Activist investor Sherborne acquired 5.16 percent voting rights in Barclays.
• Cheetah Mobile Inc. CMCM rose 5.2 percent to $12.8320. Cheetah Mobile reported Q4 adjusted earnings of $1.12 per share on revenue of $213.30 million.

Check out these big penny stock gainers and losers

Losers

• Micro Focus International plc MFGP shares dropped 41.3 percent to $15.39 after the company reported that Chris Hsu is stepping down as CEO of the company. The company also lowered its 2018 revenue forecast.
• Cidara Therapeutics, Inc. CDTX fell 19.7 percent to $6.345. Cidara Therapeutics disclosed 'positive' topline results from Phase 2 STRIVE trial of lead antifungal rezafungin.
• Aemetis, Inc. AMTX shares fell 18.4 percent to $2.00 after climbing 118.75 percent on Friday.
• Sphere 3D Corp. ANY dropped 15.5 percent to $1.91. Sphere 3D disclosed that its HVE technology has been selected by Coppell Independent School District.
• ACM Research, Inc. ACMR shares declined 13.9 percent to $10.715.
• ZSCALER, INC. ZS fell 13.7 percent to $28.4687 after rising 106.25 percent on Friday.
• RXi Pharmaceuticals Corporation RXII fell 12.1 percent to $4.740.
• Universal Display Corporation OLED slipped 10.7 percent to $110.80. For the first time ever, Apple Inc. may be looking to design and produce displays for its devices at a secret manufacturing facility in California, Bloomberg reports.
• Alio Gold Inc. ALO fell 10.7 percent to $2.16. Alio Gold and Rye Patch Gold agreed to merge.
• ForeScout Technologies, Inc. FSCT dropped 10.7 percent to $30.79 after the company reported the launch of proposed follow-on offering.
• Coda Octopus Group, Inc. CODA shares fell 10.5 percent to $3.73 after the company reported Q1 results.
• Hecla Mining Company HL slipped 10.4 percent to $3.45. Hecla Mining announced plans to acquire Klondex Mines for $462 million.
• Otonomy, Inc. OTIC declined 9.3 percent to $4.581.
• Revlon, Inc. REV fell 9 percent to $22.90.
• Babcock & Wilcox Enterprises, Inc. BW dropped 7.8 percent to $4.105 as the company disclosed that it has commenced a rights offering.
• Novavax, Inc. NVAX fell 4.2 percent to $2.07. JP Morgan downgraded Novavax from Neutral to Underweight.
• Arista Networks, Inc. ANET slipped 4.2 percent to $281.36. Deutsche Bank downgraded Arista from Hold to Sell.