12 Biggest Mid-Day Gainers For Wednesday

Merus NV (NASDAQ: MRUS) shares jumped 48.1 percent to $20.95. Incyte Corporation (NASDAQ: INCY) and Merus announced a global strategic research collaboration to discover and develop bispecific antibodies.
Internap Corp (NASDAQ: INAP) shares surged 26.6 percent to $1.43. Internap reported the completion of the initial round of cost cuts. The company expects FY16 revenue of $297 million to $300 million. It also projects FY17 to decrease to $275 million to $285 million.
Manitex International Inc (NASDAQ: MNTX) gained 25.1 percent to $6.92 after the company issued a business update.
Calithera Biosciences Inc (NASDAQ: CALA) climbed 19.7 percent to $3.65. Bristol-Myers Squibb Co (NYSE: BMY) and Calithera Biosciences disclosed a clinical collaboration to evaluate Opdivo in combination with CB-839 in clear cell renal cell carcinoma.
InvenSense Inc (NYSE: INVN) shares surged 17.5 percent to $12.73 after TDK Corp announced plans to acquire InvenSense for $13 per share in cash.
Euroseas Ltd. (NASDAQ: ESEA) shares gained 11.8 percent to $2.13 as the company announced plans to acquire from an Ultramax drybulk carrier.
OpGen Inc (NASDAQ: OPGN) shares climbed 11.6 percent to $1.25. OpGen shares have dropped 27.10 percent over the past 52 weeks, while the S&P 500 index has increased 12.35 percent in the same period.
Nexvet Biopharma plc (NASDAQ: NVET) shares gained 8.6 percent to $4.35. Nexvet Biopharma shares have gained 7.35 percent over the past 52 weeks, while the S&P 500 index has increased 12.35 percent in the same period.
Sunoco LP (NYSE: SUN) rose 6.1 percent to $23.49. Credit Suisse upgraded Sunoco from Neutral to Outperform.
Inovio Pharmaceuticals Inc (NASDAQ: INO) shares rose 5.2 percent to $7.29 following Phase 1 Zika vaccine update.
Monster Beverage Corporation (NASDAQ: MNST) shares gained 3 percent to $44.81. Jefferies upgraded Monster Beverage from Hold to Buy.
Centene Corp (NYSE: CNC) shares rose 2.8 percent to $58.30. JP Morgan initiated coverage on Centene with an Overweight rating.