Arctic Cat Inc. (NASDAQ:ACAT) is up 22.64% this morning at $23.29. ACAT has traded 270 thousand shares so far today, double its daily average. Arctic Cat announced a cash buyback of 6.1 million class B shares from Suzuki Motor Corporation this morning. The company has a market cap of 439.03 million.

EMCORE Corporation (NASDAQ:EMKR) is up 26% in early trading at $1.09. EMKR has traded 1.8 million shares so far today, more than three times its daily average. EMKR posted a greater loss in the fourth quarter as floods in Thailand caused supply shortages. The company posted an EPS loss of $0.15 EMKR shares were down to $0.82 after hours yesterday, but have since recovered today. The company has a market cap of 103.21 million. Maximize Your Trades With Profitly

SemiLEDs Corporation (NASDAQ:LEDS) is up 20.77% today at $3.89. LEDS has traded 131 thousand shares so far today, already higher than its daily average of 91 thousand shares. LEDS stock is up nearly $1 a share since last Wednesday. The company has a market cap of 103.21 million.

Zogenix, Inc. (NASDAQ:ZGNX) is up 12.04% this morning at $2.14. ZGNX has traded 335 thousand shares so far today, 100 thousand more shares than its daily average. ZGNX stock has been trending higher since last Thursday when it was trading around $1.50. The company has a market cap of 142.10 million.

Swisher Hygiene Inc. (NASDAQ:SWSH) is up 6.75% in early trading at $3.48. SWSH has traded 132 thousand shares so far today and averages 807 thousand shares a day. The company has a market cap of 605.26 million. Maximize Your Trades With Profitly

EnerNOC, Inc. (NASDAQ:ENOC) is up 5.26% today at $10.60. ENOC has traded 215 thousand shares so far today and averages 326 thousand shares daily. ENOC stock is up about $1 since mid December. The company has a market cap of 277.15 million.