Nasdaq stocks posting largest percentage increases

NEW YORK (AP) — A look at the 10 biggest percentage gainers on Nasdaq at 1 p.m.:

EnerNOC Inc. rose 21.0 percent to $15.20.

eGain Communications Corp. rose 19.4 percent to $5.59.

Big 5 Sporting Goods Corp. rose 11.1 percent to $14.48.

Waterstone Financial rose 10.8 percent to $7.38.

FedFirst Financial Corp. rose 9.8 percent to $17.68.

Santarus Inc. rose 8.7 percent to $12.26.

GSI Group rose 8.6 percent to $9.20.

TAT Technologies Ltd. rose 8.4 percent to $6.05.

Jewett-Cameron Trading Co. Ltd. rose 8.3 percent to $15.15.

GSI Technology Inc. rose 8.2 percent to $6.61.