The top after-market Nasdaq gainers Friday were DryShips Inc, Sigma Designs Inc, Tellabs Inc. and Unwired Planet Inc, while the top after-market Nasdaq losers were Yongye International, Velti Plc, Crimson Exploration Inc. and Cbeyond Inc.

Gainers

DryShips Inc. (NASDAQ: DRYS) shares surged 4.01 percent to $2.05 in post-market trading. The company stock has a 52-week trading average of $1.46-$3.75 and a market capitalization of $749.33 million.

Sigma Designs Inc. (NASDAQ:SIGM) shares climbed 2.62 percent to $5.15 in post-market trading. The company stock has a 52-week trading average of $4.30-$7.20 and a market capitalization of $169.28 million.

Tellabs Inc. (NASDAQ:TLAB) shares advanced 2.54 percent to $2.22 in post-market trading. The company stock has a 52-week trading average of $2.00-$4.10 and a market capitalization of $771.14 million.

Unwired Planet Inc. (NASDAQ:UPIP) shares gained 2.53 percent to $2.43 in post-market trading. The company stock has a 52-week trading average of $1.17-$3.19 and a market capitalization of $214.06 million.

Losers

Yongye International Inc. (NASDAQ:YONG) shares declined 5.08 percent to $5.05 in post-market trading. The company stock has a 52-week trading average of $2.60-$5.98 and a market capitalization of $268.86 million.

Velti Plc. (NASDAQ:VELT) shares dropped 2.83 percent to $2.06 in post-market trading. The company stock has a 52-week trading average of $1.96-$14.65 and a market capitalization of $139.12 million.

Crimson Exploration Inc. (NASDAQ: CXPO) shares slumped 2.82 percent to $3.10 in post-market trading. The company stock has a 52-week trading average of $2.45-$5.69 and a market capitalization of $141.02 million.

Cbeyond Inc. (NASDAQ:CBEY) shares fell about 1 percent to $7.55 in post-market trading. The company stock has a 52-week average of $5.61-$10.19 and a market capitalization of $228.67 million.