The top after-market NASDAQ gainers Monday were: Shuffle Master, Freightcar America, Carrizo Oil & Gas, Clearwire Corp, American Capital Mortgage Investment, Rosetta Resources, Canadian Solar, CIENA Corp and Zogenix.

Shuffle Master, Inc. (SHFL) stock surged 4.67 percent to $15.25 in aftermarket trading session. The company reported first quarter net profit of $7.65 million or $0.14 per share compared to $4.80 million or $0.09 per share in the same period last year and against analysts’ estimation of $0.11 per share.

Freightcar America, Inc. (RAIL) stock advanced 3.84 percent to $27.58 in post market trading session.

Carrizo Oil & Gas, Inc. (CRZO) stock gained 3.43 percent to $29.68 in post market trading session. The company stock plunged more than 4 percent in regular session.

AEterna Zentaris, Inc. (AEZS) stock gained 3.26 percent to $2.22 in aftermarket trading session. The company stock climbed nearly 23 percent in regular trading session.

Clearwire Corp. (CLWR) stock advanced 2.54 percent to $2.22 in post market trading session. The stock has a 52-week low of $1.24, a 52-week high of $6.11 and $2.80 billion in market capitalization.

American Capital Mortgage Investment Corp. (MTGE) stock advanced 2.22 percent to $22.53 in aftermarket trading session. The company announced that its Board of Directors has declared a cash dividend of $0.90 per share for the first quarter 2012, payable on April 27, 2012 to common shareholders of record as of March 15, 2012, with an ex-dividend date of March 13, 2012.

Rosetta Resources Inc. (ROSE) stock gained 2.12 percent to $50.50 in post market trading session. The company stock plunged nearly 4 percent in regular trading session.

Canadian Solar Inc. (CSIQ) stock advanced 2.06 percent to $3.47 in post market trading session. The company stock slumped more than 9 percent in regular trading session.

CIENA Corp. (CIENA) stock advanced 1.96 percent to $14.07 in post market trading session. The stock has a 52-week low of $9.89, a 52-week high of $29.24 and $1.34 billion in market capitalization.

Zogenix, Inc. (ZGNX) stock advanced 2.23 percent to $2.75 in post market trading session after climbing more than 16 percent in regular trading session.

Mortgage Investment Mortgage Investment