volume movers

  Ritchie Bros. Auctioneers (USA) (NYSE: RBA) surged 17.6 percent to $33.97. The volume of Ritchie Bros. Auctioneers shares traded was 1227 percent higher than normal. Ritchie Bros Auctioneers announced plans to buy IronPlanet for around $758.5 million. Phibro Animal Health Corp (...

  Changyou.Com Ltd (ADR) (NASDAQ: CYOU) surged 9.6 percent to $25.87. The volume of Changyou shares traded was 2021 percent higher than normal. Changyou.Com shares have gained 12.43 percent over the past 52 weeks, while the S&P 500 index has increased 9.98 percent in the same period...

  Rackspace Hosting, Inc. (NYSE: RAX) surged 4.2 percent to $31.45. The volume of Rackspace shares traded was 3208 percent higher than normal. Apollo Global Management LLC (NYSE: APO) announced plans to buy Rackspace in a deal valued at $4.3 billion. Bottomline Technologies (NASDAQ:...

  Guess?, Inc. (NYSE: GES) surged 24 percent to $18.48. The volume of Guess shares traded was 935 percent higher than normal. Guess reported better-than-expected Q2 earnings and raised earnings forecast for FY 2017. Workday Inc (NYSE: WDAY) shares moved up 5.5 percent to $84.00. The...

  Clovis Oncology Inc (NASDAQ: CLVS) surged 4 percent to $23.94. The volume of Clovis Oncology shares traded was 1424 percent higher than normal. Clovis Oncology shares surged 27.24 percent on Tuesday. Credit Suisse raised its price target on Clovis Oncology from $14 to $19, while Mizuho...

  Momo Inc (ADR) (NASDAQ: MOMO) surged 13.3 percent to $19.62. The volume of Momo shares traded was 773 percent higher than normal. Momo shares have climbed 40.85 percent over the past 52 weeks, while the S&P 500 index has gained 15.29 percent in the same period. Best Buy Co Inc...

  Medivation Inc (NASDAQ: MDVN) surged 19.7 percent to $80.43. The volume of Medivation shares traded was 4158 percent higher than normal. Pfizer Inc (NYSE: PFE) and Medivation struck a definitive deal through which the former would buy the latter for $81.50 a share in cash. Intersil...

  Corrections Corp Of America (NYSE: CXW) surged 9.2 percent to $19.19. The volume of Corrections Corp Of America shares traded was 2299 percent higher than normal. Following Thursday's Department of Justice news regarding privately-managed prisons, Corrections Corp dropped on...

  Sunedison Semiconductor Ltd (NASDAQ: SEMI) surged 39.7 percent to $11.56. The volume of Sunedison Semiconductor shares traded was 24725 percent higher than normal. GlobalWafers Co., Ltd. agreed to buy SunEdison Semiconductor for US$12.00 per share in cash. Citigroup upgraded SunEdison...

  Shopify Inc (NYSE: SHOP) surged 1.4 percent to $38.89. The volume of Shopify shares traded was 1200 percent higher than normal. Shopify priced its US$286,875,000 offering of Class A subordinate voting shares. Urban Outfitters, Inc. (NASDAQ: URBN) shares moved up 16.5 percent to $36...

  G&K Services Inc (NASDAQ: GK) surged 17.9 percent to $96.83. The volume of G&K Services shares traded was 2919 percent higher than normal. Cintas Corporation (NASDAQ: CTAS) announced plans to acquire G&K Services for $97.50 per share in cash. G&K Services also posted...

  Post Properties Inc (NYSE: PPS) surged 8.9 percent to $67.76. The volume of Post Properties shares traded was 635 percent higher than normal. Mid-America Apartment Communities Inc (NYSE: MAA) announced plans to buy Post Properties for around $3.88 billion. Acacia Communications,...

  AveXis Inc (NASDAQ: AVXS) surged 8.8 percent to $37.86. The volume of AveXis shares traded was 573 percent higher than normal. AveXis posted a narrower-than-expected Q2 loss. Jefferies upgraded AveXis from Hold to Buy. Amaya Inc. (NASDAQ: AYA) shares moved up 1.8 percent to $16.58....

  Alpha and Omega Semiconductor Ltd (NASDAQ: AOSL) surged 16.9 percent to $17.41. The volume of Alpha and Omega Semiconductor shares traded was 1105 percent higher than normal. Alpha and Omega posted stronger-than-expected fourth-quarter results. Macy's Inc (NYSE: M) shares moved...

  Heron Therapeutics Inc (NASDAQ: HRTX) surged 7.7 percent to $21.39. The volume of Heron Therapeutics shares traded was 1784 percent higher than normal. Heron Therapeutics reported the FDA approval of SUSTOL ER injection for the prevention of chemotherapy-induced nausea and vomiting...