The top after-market NASDAQ gainers Tuesday were: Avid Technology, Buffalo Wild Wings, Guidance Software, Synchronoss Technologies, Cerner Corp, Glu Mobile, OpenTable, Oncothyreon, Smith Micro Software and Groupon, Inc.

Avid Technology, Inc. (AVID) stock climbed 17.74 percent to $11.75 in aftermarket trading session. The company reported fourth quarter non-GAAP net profit of $0.38 per share compared to $0.37 per share in the same quarter a year-earlier.

Buffalo Wild Wings, Inc. (BWLD) stock climbed 16.75 percent to $81.95 in aftermarket trading session. The company reported fourth quarter net profit of $13.63 million or $0.73 per share compared to $10.17 million or $0.55 per share in the same quarter last year and against analysts' estimation of $0.67 per share.

Guidance Software, Inc. (GUID) stock climbed 10.40 percent to $8.60 in aftermarket trading session. The company swung to fourth quarter net profit of $0.09 per share compared to net loss of $0.02 per share in the same quarter a year-ago.

Synchronoss Technologies, Inc. (SNCR) stock surged 9.13 percent to $37.30 in post market trading session. The company swung to fourth quarter net profit of $8.21 million or $0.21 per share compared to net loss of $3.95 million or $0.09 per share in the same period a year-ago.

Cerner Corp. (CERN) stock surged 6.60 percent to $66.70 in post market trading session. Its fourth quarter adjusted net profit rose to $96.2 million or $0.55 per share from $75.0 million or $0.44 per share in the same quarter a year-ago, while analysts' expected the company to report net profit of $0.53 per share for the fourth quarter.

Glu Mobile Inc. (GLUU) stock surged 6.33 percent to $4.20 in aftermarket trading session after reporting better-than-expected fourth quarter earnings. The company reported fourth quarter non-GAAP net loss of $0.02 per share on revenues of $20.1 million against analysts' estimation of $0.10 loss per share on revenues of $16.9 million.

OpenTable, Inc. (OPEN) stock gained 5.01 percent to $54.03 in post market trading session. The company reported fourth quarter net profit of $6.99 million or $0.29 per share compared to $5.14 million or $0.21 per share in the same quarter a year-earlier.

Oncothyreon, Inc. (ONTY) stock gained 4.64 percent to $8.80 in aftermarket trading session. The stock has a 52-week low of $3.01, a 52-week high of $11.59 and $358.96 million in market capitalization.

Smith Micro Software, Inc. (SMSI) stock gained 4 percent to $2.60 in aftermarket trading session.

Groupon, Inc. (GRPN) shares gained 1.9 percent to $24.65 in post market trading session.