9 Biggest Mid-Day Gainers For Thursday - AudioCodes (NASDAQ:AUDC)

Vista Gold Corp. VGZ shares jumped 25 percent to $1.35. Gold futures gained 1.95 percent to $1,313.40 an ounce.
EXACT Sciences Corporation EXAS shares rose 15.59 percent to $10.79. Craig-Hallum upgraded Exact Sciences from Hold to Buy.
Nu Skin Enterprises, Inc. NUS shares gained 12.26 percent to $45.68. Nu Skin reported a $210 million strategic investment from Ping An ZQ China Growth Opportunity Limited.
QLogic Corporation QLGC shares surged 9.90 percent to $14.88 after the company agreed to be acquired by Cavium Inc CAVM for $1.36 billion.
Capricor Therapeutics Inc CAPR shares surged 8.43 percent to $4.50 as the company reported positive 12-month data from the DYNAMIC clinical trial.
AudioCodes Ltd. AUDC shares rose 7.05 percent to $4.10 as the company reported the commencement of self-tender offer for up to 3 million shares.
Brightcove Inc BCOV shares gained 4.6 percent to $7.92. Dougherty & Co upgraded Brightcove from Neutral to Buy.
Amsurg Corp AMSG shares rose 4.41 percent to $80.92. Envision Healthcare Holdings Inc EVHC and Amsurg reported that they would merge in an all-stock deal.
The Kroger Co KR gained 2.5 percent to $36.58 as the company reported better-than-expected earnings for its first quarter on Thursday.