The top after-market NASDAQ gainers Monday were: Adept Technology, Washington Federal, Affymax, Federal-Mogul Corp, Arena Pharmaceuticals, GRAVITY Co, Orexigen Therapeutics, Tractor Supply and Century Aluminum Co.

Adept Technology, Inc. (ADEP) stock climbed 7.5 percent to $6.45 in post market trading. The company stock climbed nearly 20 percent in regular session after announcing that Philips, decided to build an assembly line capable of manufacturing their current line of high-tech shavers and support any future redesigns, they selected Adept Technology, as their supplier of robotics and flexible feeding systems.

Washington Federal, Inc. (WAFD) stock surged 4.36 percent to $17.46 in aftermarket session. The stock has a 52-week low of $12.15, a 52-week high of $17.47 and $1.80 billion in market capitalization.

Affymax, Inc. (AFFY) stock surged 3.67 percent to $11.45 in aftermarket session. The company announced that it has received a $50 million development milestone payment fromTakeda Pharmaceutical Company as part of the companies' exclusive global agreement to develop and commercialize OMONTYS (peginesatide) Injection.

Federal-Mogul Corp. (FDML) stock gained 3.54 percent to $15.81 in aftermarket session. The company stock plunged more than 3 percent in regular trading.

Arena Pharmaceuticals, Inc. (ARNA) stock advanced 2.56 percent to $3.20 in aftermarket session.

GRAVITY Co., Ltd. (GRVY) stock advanced 2.36 percent to $2.17 in post market session. The company stock slumped more than 9 percent in regular session.

Orexigen Therapeutics, Inc. (OREX) stock advanced 2.25 percent to $4.09 in post market session.

Tractor Supply Co. (TSCO) stock gained 1.52 percent to $94.43 in post market session. Analysts’ at Bank of America raised price target on shares of TSCO to $103.00.

Century Aluminum Co. (CENX) stock rose 1.16 percent to $8.31 in post market trading session.

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