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The top after-market NASDAQ gainers Monday were: Telestone Technologies Corp., MCG Capital Corporation, Move, Inc., Zipcar, Inc. and Jamba, Inc.

The top after-market NASDAQ losers were: MAKO Surgical Corp., Synchronoss Technologies, Inc., Dendreon Corporation, Union Drilling, Inc. and Pacific Biosciences of California.


Telestone Technologies Corp. (TSTC) shares climbed 13.79 percent to $3.30 after market session. The company's shares plunged 6.15 percent in the regular session.

Shares of MCG Capital Corporation (MCGC) rose 5.81 percent in post-market session to close at $4.37.

Move, Inc (MOVE) shares surged 5.33 percent to $8.98 in after market hours trading Monday. Move stock was upgraded by TheStreet Ratings from hold to buy.

Zipcar Inc (ZIP) shares gained 4.69 percent and reached $10.68 in after market hours trading. The car rental company's shares plummeted 6.34 percent in regular session. The shares hit a 52 week low Friday as the company's full-year earnings forecast fell short of expectations.

Jamba, Inc (JMBA) shares advanced 04.12 percent to $2.02 in post market trading. The company reported first quarter net loss of $0.03 per share which was better than the analysts' estimation of loss of $0.06 per share.


MAKO Surgical Corp (MAKO) shares lost heavily on past market hours trading as the shares plummeted to $30.94 losing 25.27 percent. The company reported first quarter net loss of $0.28 per share, worse than the analysts' expectation of $0.20 loss per share. Mako reported revenue of $19.6 million for the first quarter while the analysts expected revenue of $23.71 million.

Synchronoss Technologies, Inc. (SNCR) traded 18.03 percent lower at $23.23 in post market session. The company reported first quarter revenue of $64.9 million while analysts' estimate was $64.16 million.

Dendreon Corporation (DNDN) shares plunged 10.18 percent to $10.50 in post market session though the company announced first quarter results that slightly exceeded analysts' expectations. The company reported net revenue of $82.00 million, which is more than the analyst estimated revenue of $80.97 million.

Union Drilling, Inc. (UDRL) stocks slumped 8.56 percent to $4.38 in after-hours trade.

Pacific Biosciences of California, Inc. (PACB) shares declined 6.25 percent to $2.51 in post market hours trading after gaining 6.77 percent in regular market hours.