The top after-market Nasdaq gainers on Friday were Grifols S.A., Mecox Lane Limited, IMRIS Inc., Warner Chilcott Plc. and Myriad Genetics Inc. The top after-market Nasdaq losers were Brocade Communications Systems, Synacor Inc., Peregrine Semiconductor Corporation Inc., and Sucampo Pharmaceuticals Inc.

Gainers

Grifols S.A. (NASDAQ:GRFS) shares climbed 2.68 percent to $28.14 in post-market trading. The company stock has a 52-week low of $15.24, a 52-week high of $31.63 and $18.47 billion in market capitalization.

Mecox Lane Limited (NASDAQ: MCOX) shares rose 2.56 percent to $4.00 in post-market trading. The company shares gained more than 13 percent in regular trading on Friday.

IMRIS Inc. (NASDAQ:IMRS) shares advanced 2.36 percent to $2.87 in post-market trading. The company stock has a 52-week low of $2.62, a 52-week high of $4.75 and $131.38 million in market capitalization.

Warner Chilcott Plc. (NASDAQ:WCRX) shares gained 2.05 percent to $18.38 in post-market trading. The company shares gained about 20 percent in regular trading on Friday after the company said that they were in early talks with drugmakers Actavis Inc., about a potential merger.

Myriad Genetics Inc. (NASDAQ:MYGN) shares surged 1.96 percent to $33.75 in post-market trading. The company shares gained about 9 percent in regular trading on Friday.

Losers

Willdan Group Inc. (NASDAQ:WLDN) shares plunged 9.27 percent to $2.25 in post-market trading. The company shares gained more than 9 percent in regular trading on Friday after equities researchers at Wedbush increased their target price on shares of Willdan Group from $2.25 to $2.50 in a report issued on Friday.

Synacor Inc. (NASDAQ:SYNC) shares declined 3.66 percent to $3.42 in post-market trading. The company shares gained about 4 percent in regular trading on Friday.

Peregrine Semiconductor Corporation (NASDAQ:PSMI) shares lost 1.99 percent to $10.24 in post-market trading after gaining more than 3 percent in regular trading on Friday. The company stock has a 52-week low of $8.25, a 52-week high of $19.47 and $333.61 million in market capitalization.

Sucampo Pharmaceuticals Inc. (NASDAQ:SCMP) shares dropped 1.71 percent to $9.20 post-market trading. The company shares gained more than 3 percent in regular trading on Friday.

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