15 Biggest Mid-Day Gainers For Friday

Envision Healthcare Holdings Inc EVHC shares jumped 218.7 percent to $71.97. Envision Healthcare and Amsurg Corp AMSG reported the completion of their merger.
Neovasc Inc (US) NVCN shares jumped 80.8 percent to $0.929 following announcement of agreement with Boston Scientific Corporation BSX.
Heat Biologics Inc HTBX shares gained 22.2 percent to $1.26. Heat Biologics shares have dipped 66.12 percent over the past 52 weeks, while the S&P 500 index has increased 5.37 percent in the same period.
Ascena Retail Group Inc ASNA surged 20.5 percent to $7.03 as the company reported downbeat earnings for its first quarter on Thursday.
Eleven Biotherapeutics Inc EBIO shares rose 13.8 percent to $2.39.
Information Services Group, Inc. III climbed 12.6 percent to $3.85. Information Services reported the acquisition of Alsbridge Holdings, Inc.
Five Below Inc FIVE gained 12.5 percent to $44.88 after the company reported stronger-than-expected earnings for its fiscal third quarter.
Gencor Industries, Inc. (DE) GENC shares gained 10.9 percent to $15.75. Gencor reported Q4 net income of $1.7 million, versus a year-ago loss of $2.2 million.
Stone Energy Corporation SGY shares gained 6.5 percent to $6.70 after surging 27.85 percent on Thursday.
HealthStream, Inc. HSTM rose 6.4 percent to $25.79. Baird upgraded HealthStream from Neutral to Outperform.
National Bank Holdings Corp NBHC shares gained 5.1 percent to $ 29.26. National Bank Holdings will replace Interactive Intelligence Group Inc ININ in the S&P SmallCap 600 after the close of trading on December 5.
New Media Investment Group Inc NEWM rose 4.6 percent to $16.00. New Media Investment will replace DTS Inc. DTSI in the S&P SmallCap 600.
CBOE Holdings, Inc CBOE gained 3.2 percent to $71.73. JP Morgan upgraded CBOE from Neutral to Overweight.
Square Inc SQ shares gained 3 percent to $13.09. Deutsche Bank upgraded Square from Hold to Buy.
J C Penney Company Inc JCP shares rose 2.7 percent to $9.78. Bank of America upgraded J C Penney from Neutral to Buy.

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