The top after-market NYSE gainers on Thursday are: Horizon Lines, Eastman Chemical, Netsuite, MEMC Electronic Materials, Leggett & Platt, Suntech Power Holdings, Yingli Green Energy Holding, Renesola, LDK Solar Co and Curtiss-Wright Corp.

Horizon Lines, Inc. (NYSE:HRZ) shares climbed 12.15 percent to $2.40 in aftermarket trading session. The company announced that a federal court has granted a request by the U.S. Department of Justice to reduce the company's fine related to federal antitrust violations in the Puerto Rico tradelane from $45 million to $15 million.

Eastman Chemical Co. (NYSE:EMN) shares surged 7.35 percent to $110.50 in post market trading session. The company reported net income of $220 million or $3.04 per share compared to $101 million or $1.37 per share in the same quarter last year. Eastman Chemical expects second quarter earnings to be slightly higher than first quarter 2011.

Netsuite Inc. (NYSE:N) shares gained 7.31 percent to $32.30 in post market trading session. Its first quarter net income rose to $1.9 million or $0.03 per share compared to $1.2 million or $0.02 per share in same period a year-ago. Revenue increased 21 percent to $53.44 million from $44.25 million in the last year quarter.

MEMC Electronic Materials, Inc. (NYSE:WFR) shares advanced 7 percent to $11.93 in aftermarket trading session. The company announced on Thursday that Wells Fargo (NYSE:WFC) will invest up to $120 million in SunEdison (subsidiary of WFR) solar projects.

Leggett & Platt, Inc. (NYSE:LEG) shares advanced 5.75 percent to $25.95 in aftermarket trading session as the company raised its fiscal 2011 earnings estimates. The company expects fiscal 2011 earnings to be in the range of 1.25 to 1.50 per share on of $3.5 to $3.8 billion sales compared to its earlier estimation of $1.20 to $1.40 per share on $3.4 to $3.6 billion sales.

Suntech Power Holdings Co., Ltd. (NYSE:STP) shares advanced 5.64 percent to $9.56 in post market trading session on news that Italy will extend solar industry incentives until the end of August.

Yingli Green Energy Holding Company Ltd. (NYSE:YGE) shares gained 4.57 percent to $12.82 in post market trading session on news Italy will extend solar industry incentives until the end of August.

Renesola Ltd. (NYSE:SOL) shares advanced 4.5 percent to $9.05 in aftermarket trading session. The company expects second quarter revenue to be in the range of $280-$300 million against analysts’ estimation of $340 million.

LDK Solar Co. Ltd. (NYSE:LDK) shares gained 4.48 percent to $11.66 in aftermarket trading session.

Curtiss-Wright Corp. (NYSE:CW) shares advanced 4.48 in aftermarket trading session. Its first quarter net income rose to $25 million or $0.52 per share compared to $16 million or $0.35 per share in the same quarter last year.

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