The top after-market NASDAQ gainers Friday were: Cornerstone OnDemand, TASER International, MAP Pharmaceuticals, Affymax, Avis Budget Group and Steel Dynamics. The top after-market NASDAQ losers were: Pacific Biosciences of California, Targacept, Ancestry.com, Theravance, Vocus and Commercial Vehicle Group.

Gainers:

Cornerstone OnDemand, Inc. (CSOD) stock climbed 5.94 percent to $21.77 in post market trading session.

TASER International, Inc. (TASR) stock surged 5.3 percent to $4.57 in aftermarket session. The company stock was upgraded to “neutral” rating from “underweight” rating at JPMorgan Chase & Co.

MAP Pharmaceuticals, Inc. (MAPP) stock gained 2.87 percent to $16.49 in post market trading session. The company announced that the United States Patent and Trademark Office (USPTO) issued to the Company U.S. Patent No. 8,119,639, titled Method of Therapeutic Administration of DHE to Enable Rapid Relief of Migraine while Minimizing Side Effect Profile.

Affymax, Inc. (AFFY) stock gained 2.61 percent to $13.77 in aftermarket session after climbing nearly 8 percent in regular session. Analysts at Rodman & Renshaw initiated coverage on shares of AFFY with “outperform” rating.

Avis Budget Group, Inc. (CAR) stock advanced 2.19 percent to $14.46 in post market session. The company announced Friday that its Avis Budget Rental Car Funding (AESOP) LLC subsidiary has completed an offering of $750 million of asset-backed bonds with a weighted average interest rate of 2.6 percent, the Company's lowest rate on a new ABS bond offering since 2003.

Steel Dynamics, Inc. (STLD) stock rose 2.18 percent to $14.99 in post market session. The stock has a 52-week low of $8.78, a 52-week high of $19.84 and $3.21 billion in market capitalization.

Losers:

Pacific Biosciences of California, Inc. (PACB) stock slumped 6.36 percent to $3.68 in aftermarket session. The company stock climbed nearly 7 percent in regular session.

Targacept, Inc. (TRGT) stock plunged 5.99 percent to $5.02 in post market session.

Ancestry.com, Inc. (ACOM) stock plunged 4.82 percent to $20.95 in aftermarket session. The stock has a 52-week low of $20.67, a 52-week high of $45.79 and $943.41 million in market capitalization.

Theravance, Inc. (THRX) stock plunged 4.37 percent to $18.62 in aftermarket session. GlaxoSmithKline and THRX announced that they have achieved mixed results from their two phase three studies of the chronic obstructive pulmonary disease (COPD) treatment Relovair.

Vocus, Inc. (VOCS) stock declined 4.57 percent to $12.32 in aftermarket session. The company stock surged nearly 5 percent in regular trading.

Commercial Vehicle Group, Inc. (CVGI) stock fell 4.56 percent to $11.31 in aftermarket session.

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