The top aftermarket NYSE gainers Monday were: Emulex Corp, MagnaChip Semiconductor Corp, Charles River Laboratories, Five Star Quality Care, Key Energy Services, Lions Gate Entertainment, Meritor, RealD, FXCM and First American Corp.

Emulex Corp. (NYSE:ELX) shares climbed 10.01 percent to $8.13 in post-market trading sessions after raising its second quarter earnings outlook. For the second quarter, the company currently expects earnings per share to be in a range of $0.15 to $0.16 compared to its earlier estimation of $0.08 to $0.11. Revenue is expected to be in the range of $127 to $128 million compared to prior estimation of $121 to $127 million.

MagnaChip Semiconductor Corp. (NYSE:MX) shares surged 5.01 percent to $8.18 in aftermarket trading sessions. The company stock surged nearly 5 percent in regular trading sessions.

Charles River Laboratories (NYSE:CRL) shares surged 4.77 percent to $29.00 in aftermarket trading sessions. The stock has a 52-week low of $25.52, a 52-week high of $42.84 and $1.37 billion in market capitalization.

Five Star Quality Care, Inc. (NYSE:FVE) shares gained 4 percent to $3.07 in post-market trading sessions.

Key Energy Services, Inc. (NYSE:KEG) shares advanced 2.99 percent to $16.17 in post-market trading sessions.

Lions Gate Entertainment Corp. (NYSE:LGF) shares advanced 2.85 percent to $8.67 in aftermarket trading sessions. The company is reportedly nearing a deal to buy privately held Summit Entertainment for about $400 million in cash and stock.

Meritor, Inc. (NYSE:MTOR) shares advanced 2.63 percent to $6.25 in aftermarket trading sessions. The company stock gained nearly 4 percent in regular trading sessions.

RealD Inc. (NYSE:RLD) shares gained 2.52 percent to $8.61 in aftermarket trading sessions. Gabelli initiated coverage on shares of RLD with a “buy” rating.

FXCM Inc. (NYSE:FXCM) shares gained 2.47 percent to $9.87 in aftermarket trading sessions.

First American Corp. (NYSE:FAF) shares gained 2.33 percent to $13.09 in aftermarket trading sessions. Fitch Ratings has affirmed the BBB Issuer Default Rating (IDR) for FAF and the BBB- rating of FAF's $400 million revolving credit line.