The top after-market NYSE gainers on Thursday are: Demand Media, AMN Healthcare Services, Hilltop Holdings, Green Dot, VOC Energy Trust, CF Industries Holdings, Fluor Corp, U.S. Gold, Thompson Creek Metals and Domtar Corp.

Demand Media Inc. (NYSE:DMD) shares surged 7.91 percent to $17.60 in post market trading session. The company reported first quarter net income of $0.06 per share against analysts’ estimation of $0.04 per share.

AMN Healthcare Services Inc. (NYSE:AHS) shares gained 5.64 percent to $8.99 in aftermarket trading session. The company reported first quarter net income of $0.07 per share against analysts’ estimation of $0.01 per share. Revenue rose 60.1 percent to $229.4 million from last year.

Hilltop Holdings Inc. (NYSE:HTH) shares advanced 5.47 percent to $10.02 in post market trading session. The stock has a 52 week low of $9.01 and 52 week high of $11.85 and has $536.73 million market capitalization.

Green Dot Corp. (NYSE:GDOT) shares gained 5.16 percent to $39.93 in post market trading session. Its shares plunged 4.9 percent in regular trading session after the company stock was downgraded to “neutral” rating from an “outperform” rating at Macquarie analysts.

VOC Energy Trust UBI (NYSE:VOC) shares advanced 3.76 percent to $21.79 in aftermarket trading session.

CF Industries Holdings Inc. (NYSE:CF) shares gained 3.64 percent to $133.95 in aftermarket trading session. The company swung to first quarter net income of $282.0 million or $3.91 per share compared to a net loss of $4.4 million or $0.09 per share in the same quarter last year.

Fluor Corp. (NYSE:FLR) shares gained 3.52 percent to $68.00 in post market trading session. Its first quarter net income rose to $139.7 million or $0.78 per share compared to $136.6 million or $0.76 per share in the same quarter last year. The company also announced that the Board of Directors has declared a quarterly cash dividend of $0.125 per share on the company's common stock.

U.S. Gold Corp. (NYSE:UXG) shares advanced 2.92 percent to $7.75 in post market trading session.

Thompson Creek Metals Co. Inc. (NYSE:TC) shares advanced 2.5 percent to $11.50 in post market trading session.

Domtar Corp. (NYSE:UFS) shares gained 2.36 percent to $97.00 in post market trading session. Domtar will replace Alberto-Culver Corp. (NYSE: ACV) in the S&P MidCap 400 index after the close of trading on Tuesday, May 10.