The top after-market NYSE gainers on Monday are: iSoftStone Holdings, Flotek Industries, Ivanhoe Mines, Chicago Bridge & Iron and Freeport-McMoran Copper & Gold. The top after-market NYSE losers are: CoreSite Realty, Accuride, Carbo Ceramics, RPC and Oil States International.

Gainers:

iSoftStone Holdings Ltd. (NYSE:ISS) shares surged 5.59 percent to $9.31 in the post-market trading session. The company stock plunged more than 10.73 percent to $8.82 in the regular trading session.

Flotek Industries, Inc. (NYSE:FTK) shares surged 5.18 percent to $4.87 in the post-market trading session, after the company revealed that its August revenue rose to $25 million from $23 million in July.

Ivanhoe Mines Ltd. (NYSE:IVN) shares gained 4.81 percent to $15.25 in the aftermarket trading session. The company stock plunged more than 9 percent in the regular trading session.

Chicago Bridge & Iron Co N.V. (NYSE:CBI) shares advanced 4.15 percent to $31.47 in the aftermarket trading session. The stock has a 52-week low of $23.00, a 52-week high of $45.12 and has $2.98 billion market capitalization.

Freeport-McMoran Copper & Gold, Inc. (NYSE:FCX) shares advanced 4.03 percent to $33.93 in the post-market trading session.

Losers:

CoreSite Realty Corp. (NYSE:COR) shares slumped 8.64 percent to $13.00 in the post-market trading session. The stock has a 52-week low of $12.25, a 52-week high of $17.96 and has $282.51million market capitalization.

Accuride Corp. (NYSE:ACW) shares plunged 8 percent to $7.48 in the post-market trading session, after the company lowered its 2011 fiscal earnings outlook. For the 2011 fiscal, the company currently expects earnings to range between a loss of $0.05 per share and a profit of $0.04 per share, compared to its earlier estimation of $0.40 to $0.50 per share profit.

Carbo Ceramics, Inc. (NYSE:CRR) shares declined 4.71 percent to $122.31 in the aftermarket trading session. The company stock surged more than 8.08 percent in the regular trading session.

RPC, Inc. (NYSE:RES) shares declined 4.48 percent to $18.23 in the post-market trading session, after gaining as much as 9.3 percent in the regular trading session.

Oil States International, Inc. (NYSE:OIS) shares declined 4.47 percent to $51.33 in the aftermarket trading session. The stock has a 52-week low of $44.49, a 52-week high of $87.00 and has $2.76 billion market capitalization.