The top after-market NASDAQ gainers Wednesday were NewLead Holdings Ltd, VOXX International Corporation, iPass Inc, PriceSmart Inc and Arkansas Best Corporation, while the top after-market NASDAQ losers Wednesday were Nektar Therapeutics Inc, Halozyme Therapeutics Inc, Air Methods Corporation and Multimedia Games Holding Company Inc.

Gainers

NewLead Holdings Ltd (NEWL) shares climbed 32.09 percent to $2.47 in post-market trading. The stock gained over 167 percent in regular trade after the company announced that it received a capital contribution of industrial metal valued at $236.4 million for a 36.8% equity interest in NewLead.

VOXX International Corporation (VOXX) shares gained 17.24 percent to $9.18 in post-market trading. The shares gained after the company announced sharp increases in sales and earnings during its third quarter, exceeding analysts’ expectations and reaffirmed its fiscal 2013 adjusted EBITDA guidance of $61 million.

iPass Inc (IPAS) shares rose 7.29 percent to $2.06 in post-market trading. The stock has a 52-week low of $1.37, a 52-week high of $2.80 and $117.64 million in market capitalization.

PriceSmart Inc (PCMT) shares advanced 6.20 percent to $82.70 in post-market trading. The company reported first quarter earnings of $20 million, or 66 cents per share, for the quarter ending Nov. 30 against analysts’ estimation of 62 cents per share. Net warehouse club sales for the quarter rose 11.8 percent. Net sales for the month of December increased 11.6 percent

Arkansas Best Corporation (ABFS) shares went up by 4.93 percent to $10.21 in post-market trading. The shares have a 52-week trading range of $6.43 - $22.79 and a market capitalization of $249.25 billion.

Losers

Nektar Therapeutics Inc (NKTR) shares declined 7.44 percent to $7.71 in post-market trading. The shares gained over 8 percent in regular trade.

Halozyme Therapeutics Inc (HALO) shares slumped 6.59 percent to $6.94 in post-market trading. The shares gained over 7 percent in regular trade.

Air Methods Corporation (AIRM) shares dropped 4.83 percent to $38.63 in post-market trading. The shares gained over 8 percent in regular trade. Air Methods Corp has a 52-week low of $26.37, a 52-week high of $41.39 and a market capitalization of $1.572 billion.

Multimedia Games Holding Company Inc (MGAM) shares fell 4.14 percent to $13.89 in post-market trading. The shares gained over 4 percent in regular trading.

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