The top after-market NASDAQ gainers Tuesday were: Verisk Analytics, Web.com Group, American Public Education, VIVUS, SodaStream International, Cadence Pharmaceuticals, Pan American Silver, Sun Healthcare Group, PetSmart and Golar LNG Ltd.

Verisk Analytics, Inc. (VRSK) stock climbed 9.06 percent to $46.00 in aftermarket trading session. The company reported fourth quarter net income of $80.3 million or $0.47 per share compared to $65.8 million or $0.37 per share in the same quarter last year. Web.com Group, Inc. (WWWW) stock climbed 7.02 percent to $14.79 in aftermarket trading session.

American Public Education, Inc. (APEI) stock surged 6.94 percent to $44.20 in aftermarket trading session. The company reported fourth quarter net profit $13.0 million or $0.71 per share compared to $9.6 million or $0.52 per share in the same quarter last year. Revenue increased 34 percent to $75.7 million compared to same quarter last year.

VIVUS, Inc. (VVUS) stock gained 3.72 percent to $22.05 in aftermarket trading session. The company stock slumped more than 10 percent in regular trading session.

SodaStream International Ltd. (SODA) stock gained 3.16 percent to $49.00 in post market session after gaining more than 5 percent in regular session. The company is expected to report fourth quarter net income of $0.37 per share before the markets open on Wednesday.

Cadence Pharmaceuticals, Inc. (CADX) stock gained 2.84 percent to $3.99 in post market trading session. The company stock plunged more than 5 percent in regular trading session.

Pan American Silver Corp. (PAAS) stock gained 2.74 percent to $26.96 in aftermarket trading session. The stock has a 52-week low of $19.93, a 52-week high of $43.06 and $2.74 billion in market capitalization.

Sun Healthcare Group, Inc. (SUNH) stock advanced 2.06 percent to $4.45 in aftermarket trading session. Its fourth quarter net loss narrowed to $0.02 per share from $1.26 per share in the same quarter a year-ago.

PetSmart, Inc. (PETM) stock gained 2.01 percent to $56.85 in aftermarket trading session. The stock has a 52-week low of $37.76, a 52-week high of $56.39 and $6.22 billion in market capitalization.

Golar LNG Ltd. (GLNG) stock gained 1.95 percent to $43.98 in aftermarket trading session.