The top after-market NYSE gainers on Friday are: Dynegy, Unifi, iSoftStone Holdings, Orbitz Worldwide, Terex, Crexus Investment, Miller Petroleum, Gildan Activewear, HSBC Holdings and MEMC Electronic Materials.

Dynegy Inc. (NYSE:DYN) shares surged 5.77 percent to $6.05 in post market trading session. A Delaware judge on Friday declined to grant a temporary restraining order to stop the Dynegy’s overhaul. The ruling clears the way for the $1.7 billion debt refinancing that Dynegy was preparing to close this week.

Unifi, Inc. (NYSE:UFI) shares gained 3.37 percent to $13.26 in aftermarket trading session. The company stock plunged more than 8 percent in regular trading session.

iSoftStone Holdings Ltd. (NYSE:ISS) shares gained 3.25 percent to $12.70 in post market trading session. The stock has a 52 week low of $9.80 and 52 week high of $22.63 and has $672.13 million market capitalization.

Orbitz Worldwide, Inc. (NYSE:OWW) shares advanced 3.07 percent to $3.36 in post market trading session.

Terex Corp. (NYSE:TEX) shares advanced 2.39 percent to $22.74 in post market trading session.

Crexus Investment Corp. (NYSE:CXS) shares advanced 2.19 percent to $10.74 in aftermarket trading session.

Miller Petroleum Inc. (NYSE:MILL) shares gained 2.04 percent to $4.50 in post market trading session. The company stock plunged more than 18 percent in regular trading session.

Gildan Activewear, Inc. (NYSE:GIL) shares gained 1.91 percent to $30.57 in post market trading session. The company stock plunged more than 7 percent in regular trading session after it was downgraded to “sell” rating from “hold” rating at Citigroup.

HSBC Holdings plc. (NYSE:HBC) shares gained 1.76 percent to $49.73 in post market trading session. The company promoted Sean O’Sullivan to become group chief operating officer.

MEMC Electronic Materials, Inc. (NYSE:WFR) shares gained 1.62 percent to $7.54 in aftermarket trading session.