The top after-market Nasdaq gainers Friday were Consumer Portfolio Services Inc, Viropharma Inc, Trius Therapeutics Inc, Rockwell Medical Inc and Thoratec Corp, while the top after-market Nasdaq losers were Rambus Inc, EZCORP Inc, Apogee Enterprises Inc and Metabolix Inc.

Gainers

Consumer Portfolio Services Inc (NASDAQ:CPSS) shares surged 4.48 percent to $9.10 in post-market trading. The company stock has a 52-week trading average of $1.17-$9.60 and a market capitalization of $171.06 million.

Viropharma Inc (NASDAQ:VPHM) shares climbed 4.11 percent to $26.60 in post-market trading Friday. The company stock has a 52-week trading average of $19.02-$31.36 and a market capitalization of $1.67 billion.

Trius Therapeutics Inc (NASDAQ:TSRX) shares advanced 3.54 percent to $6.44 in post-market trading. The company stock has a 52-week trading average of $4.41-$6.49 and a market capitalization of $245.11 million.

Rockwell Medical Inc (NASDAQ:RMTI) shares gained 3.37 percent to $4.60 in post-market trading. The company stock has a 52-week trading average of $4.15-$10.70 and a market capitalization of $94.78 million.

Thoratec Corp (NASDAQ: THOR) shares advanced 3.09 percent to $37.00 in post-market trading.  The company stock has a 52-week trading average of $29.39-$39.86 and a market capitalization of $2.07 billion.

Losers

Rambus Inc (NASDAQ:RMBS) shares declined 4.26 percent to $5.40 in post-market trading. The company stock has a 52-week trading average of $3.78-$6.96 and a market capitalization of $629 million.

EZCORP Inc (NASDAQ:EZPW) shares dropped 3.73 percent to $20.88 in post-market trading. The company stock has a 52-week trading average of $16.57-$33.38 and a market capitalization of $1.17 billion.

Apogee Enterprises Inc (NASDAQ:APOG) shares slumped 3.24 percent to $27.18 in post-market trading. The company stock has a 52-week trading average of $12.17-$28.18 and a market capitalization of $800.03 million.

Metabolix Inc (NASDAQ:MBLX) shares fell 3.18 percent to $2.37 in post-market trading. The company stock has a 52-week average of $1.07-$3.48 and a market capitalization of $84.05 million.

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