The top aftermarket NYSE gainers Wednesday were: Gol Linhas Aereas Inteligentes, Worthington Industries, Timken, Suncor Energy, Willbros Group, Quicksilver Resources, Teavana Holdings, Radioshack Corp, K12 Inc and Rentech Nitrogen Partners.

Gol Linhas Aereas Inteligentes S.A. (NYSE:GOL) shares advanced 2.59 percent to $7.14 in aftermarket trading session. The company stock declined in regular trading session after Raymond James downgraded shares of Gol from “outperform” rating to “market perform” rating.

Worthington Industries, Inc. (NYSE:WOR) shares gained 2.51 percent to $17.16 in aftermarket trading session. The stock has a 52-week low of $12.84, a 52-week high of $23.75 and $1.18 billion in market capitalization.

Timken Co. (NYSE:TKR) shares advanced 2.43 percent to $38.79 in aftermarket trading session.

Suncor Energy Inc. (NYSE:SU) shares advanced 2.16 percent to $27.94 in aftermarket trading session. The stock has a 52-week low of $22.55, a 52-week high of $48.53 and $42.93 billion in market capitalization.

Willbros Group, Inc. (NYSE:WG) shares advanced 2.11 percent to $3.39 in post market trading session.

Quicksilver Resources Inc. (NYSE:KWK) shares gained 2.02 percent to $7.06 in post market trading session. The company stock advanced nearly 3 percent in regular trading session.

Teavana Holdings, Inc. (NYSE:TEA) shares advanced 1.55 percent to $17.02 in aftermarket trading session.

Radioshack Corp. (NYSE:RSH) shares advanced 1.5 percent to $9.45 in post market trading session.

K12 Inc. (NYSEARCA: LRN) shares advanced 1.42 percent to $17.90 in post market trading session. The company plunged more than 8 percent in regular trading session.

Rentech Nitrogen Partners, L.P. (NYSE:RNF) shares advanced 1.36 percent to $17.20 in aftermarket trading session. The stock has a 52-week low of $16.04, a 52-week high of $20.65 and $649.10 million in market capitalization.

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