15 Biggest Mid-Day Gainers For Wednesday

Spectranetics Corp SPNC shares surged 26.2 percent to $38.38. Koninklijke Philips NV (ADR) PHG announced plans to acquire Spectranetics for $38.50 per share.
Chicago Bridge & Iron Company N.V. CBI shares gained 11.2 percent to $22.27. CB&I reported winning of tech contract by Shurtan Gas Chemical Complex for grassroots ethylene complex to be built in Uzbekistan.
Atrion Corporation ATRI shares rose 11 percent to $680.00.
United Microelectronics Corp (ADR) UMC climbed 11 percent to $2.34. UBS upgraded United Microelectronics from Neutral to Buy.
Adomani Inc ADOM shares gained 10 percent to $11.85.
Koppers Holdings Inc. KOP shares jumped 9.6 percent to $37.25. Wunderlich upgraded Koppers from Hold to Buy.
Nutanix Inc NTNX surged 9.1 percent to $20.33. Alphabet reported a partnership with Nutanix, CNBC reported.
AirMedia Group Inc (ADR) AMCN shares climbed 8.1 percent to $2.49 after the company disclosed that it has entered into Amendment No. 3 for going private transaction.
Shoe Carnival, Inc. SCVL shares rose 7.5 percent to $20.99.
FARO Technologies, Inc. FARO climbed 6.7 percent to $38.50. Craig-Hallum initiated coverage on FARO Technologies with a Buy rating.
Cypress Semiconductor Corporation CY shares gained 6.5 percent to $14.06. Barclays upgraded Cypress from Equal-Weight to Overweight.
Blackhawk Network Holdings Inc HAWK surged 4.8 percent to $43.92. BMO Capital upgraded Blackhawk from Market Perform to Outperform.
Blue Buffalo Pet Products Inc BUFF rose 4.2 percent to $22.90. Imperial Capital initiated coverage on Blue Buffalo Pet Products with an Outperform rating.
Invivo Therapeutics Holdings Corp NVIV shares gained 3.6 percent to $2.85 on report of positive INSPIRE study results.
Ceragon Networks Ltd CRNT gained 3.6 percent to $2.59. Ceragon disclosed that during Q2, it has received orders totaling more than $7 million from a tier 1 South Cone operator.