The top after-market NASDAQ losers Wednesday were: Anthera Pharmaceuticals, Vera Bradley, rue21, FirstMerit Corp, AVEO Pharmaceuticals, GRAVITY Co, ModusLink Global Solutions, Orexigen Therapeutics, Finisar Corp and Affymax, Inc.

Anthera Pharmaceuticals, Inc. (ANTH) stock slumped 7.36 percent to $3.02 in post market trading after plunging more than 9 percent in regular session.

Vera Bradley, Inc. (VRA) stock plunged 5.95 percent to $34.93 in aftermarket trading. The company expects first quarter net income is to be in a range of $0.27 to $0.29 per share on revenues of $115 to $117 million compared to analysts’ estimation of $0.32 per share on revenue of $117 million.

The company also said its fourth quarter net profit surged to $20 million or $0.50 per share from $14 million or $0.35 per share in the same quarter a year-earlier.

rue21, Inc. (RUE) stock plunged 5.36 percent to $27.20 in aftermarket trading session. The company reported fourth quarter net income of $12.9 million or $0.52 per share compared to $10.9 million or $0.44 per share. Revenue rose 15.7 percent to $219.9 million but fell short of analysts’ estimation of $225.80 million.

FirstMerit Corp. (FMER) stock declined 3.58 percent to $16.15 in aftermarket trading. The stock has a 52-week low of $9.98, a 52-week high of $17.81 and $1.83 billion in market capitalization.

AVEO Pharmaceuticals, Inc. (AVEO) stock fell 3.54 percent to $12.00 in aftermarket session.

GRAVITY Co., Ltd. (GRVY) stock declined 2.2 percent to $2.52 in post market trading session.

ModusLink Global Solutions, Inc. (MLNK) stock fell 1.69 percent to $5.25 in aftermarket session.

Orexigen Therapeutics, Inc. (OREX) stock declined 1.76 percent to $4.46 in aftermarket trading session. The company stock gained nearly 2 percent in regular trading.

Finisar Corp. (FNSR) stock declined 1.65 percent to $18.46 in post market trading. The stock has a 52-week low of $12.26, a 52-week high of $28.74 and $1.71 billion in market capitalization.

Affymax, Inc. (AFFY) stock fell 1.44 percent to $10.95 in aftermarket trading. Its fiscal 2011 net loss widened to $61.4 million or $1.84 per share from $14.1 million or $0.57 per share in the same period a year-ago.