The top after-market NYSE gainers Wednesday were Terex Corp, Trinity Industries, Skechers U.S.A, Thompson Creek Metals Company and Inphi Corp. The top after-market NYSE losers were Ferro Corp, Ruby Tuesday, Las Vegas Sands, Renren Inc and Newcastle Investment Corp.

Gainers

Terex Corp. (TEX) shares climbed 13.89 percent to $16.07 in post-market trading. The company swung to second quarter net profit of $85.9 million or $0.77 per share compared to net loss of $0.5 million or breakeven per share in the same period a year-earlier. Terex currently expects fiscal 2012 net profit to be in a range of $1.95 to $2.05 per share, up from its prior estimate of $1.65 to $1.85 per share.

Trinity Industries, Inc. (TRN) shares climbed 13.18 percent to $25.50 in post-market trading. Its second quarter net profit rose to $67.8 million or $0.84 per share from $30.0 million or $0.37 per shares in the same quarter last year. Trinity also raised its full-year earnings guidance to a range of $2.95 to $3.10 per share from its prior the estimate of 2.55 to $2.70 per share range.

Skechers U.S.A., Inc. (SKX) shares surged 6.73 percent to $19.50 in post-market trading. Its second quarter net loss narrowed to $1.8 million or $0.04 per share from $29.9 million or $0.62 per share in the same period a year ago.

Thompson Creek Metals Company Inc. (TC) shares surged 4.33 percent to $2.65 in post-market trading. The stock has a 52-week low of $2.47, a 52-week high of $9.68 and $426.92 million in market capitalization.

Inphi Corp. (IPHI) shares surged 4.26 percent to $9.30 in post-market trading. The company reported second quarter net loss of $0.06 per share compared to net profit of $0.08 per share in the same period a year ago.

Losers

Ferro Corp. (FOE) shares slumped 10.05 percent to $3.40 in post-market trading. Its second quarter adjusted net profit declined to $0.05 per share from $0.27 per share in the same quarter last year and also fell short of analysts' estimate of $0.08 per share. Ferro also announced that for fiscal 2012 sales are expected to be down by 3 to 7 percent compared with fiscal 2011.

Ruby Tuesday, Inc. (RT) shares slumped 7.46 percent to $5.71 in post-market trading. The company swung to the fourth quarter net loss of $5.8 million or $0.09 per share compared to net profit of $13.9 million or $0.21 per share in the same period last year.

Las Vegas Sands Corp. (LVS) shares plunged 6.69 percent to $35.00 in post-market trading. The company posted the second quarter adjusted net income of $365 million or $0.44 per share, down from $438.6 million or $0.54 per share in the same quarter a year-earlier and also fell short of Reuters estimation of $0.60 per share.

Renren Inc. (RENN) shares plunged 5.60 percent to $3.88 in post-market trading. The stock has a 52-week low of $3.21, a 52-week high of $11.26 and $1.58 billion in market capitalization.

Newcastle Investment Corp. (NCT) shares plunged 4.80 percent to $6.75 in post-market trading. The company announced Wednesday that it plans to make a public offering of 20,000,000 shares of its common stock.