Companies whose shares are expected to trade actively in today’s session are Gordmans Stores, Inc. (NASDAQ:GMAN), Forest Laboratories, Inc. (NYSE:FRX), QLogic Corporation (NASDAQ:QLGC), Santarus, Inc. (NASDAQ:SNTS), RadioShack Corporation (NYSE:RSH) and Lululemon Athletica inc. (NASDAQ:LULU).

stocks to watch

Gordmans Stores, Inc. (NASDAQ:GMAN): The apparel and home fashions retailer has lowered its fourth quarter earnings and revenue guidance after its same-store sales plunged 4.6 percent for the period. The company said holiday sales were weaker than expected. Shares dipped 15.95 percent to $11.95 in early trading.

Forest Laboratories, Inc. (NYSE:FRX): The pharmaceutical company suffered losses in the third quarter. The company’s sales are declining after the patent expiration of its Lexapro drug last year. Forest Laboratories, Inc. (NYSE:FRX) has also reduced its full-year earnings guidance. Shares fell 1.36 percent to $37.59 in early trading.

QLogic Corporation (NASDAQ:QLGC): The company said its network products are selling better than expected, bringing higher revenues. QLogic Corporation (NASDAQ:QLGC) has raised its third quarter revenue and earnings guidance. Shares surged 6.68 percent to 10.86 in the early session.

Santarus, Inc. (NASDAQ:SNTS): The biopharmaceutical company said the USFDA has approved its drug for chronic inflammatory bowel disease. Santarus, Inc. (NASDAQ:SNTS) said its full-year revenues and earnings will exceed previous estimates. Shares surged 10.64 percent to $12.48.

RadioShack Corporation (NYSE:RSH): The company said it failed to negotiate beneficial terms with Target Corporation (NYSE:TGT), so it has terminated the unprofitable mobile phone partnership with the discount retailer. Shares went up 4.05 percent to $2.31.

Lululemon Athletica inc. (NASDAQ:LULU): The yoga-apparel maker raised its fourth quarter earnings guidance. But the company’s revenues came short of Wall Street expectations. Analysts had estimated $489 million in revenues with profits of $0.74 per share. Shares plunged 7.26 percent to $67.06 in early trading session.

Another company to watch out for is Dell Inc. (NASDAQ:DELL). The company is in talks with TPG and Silver Lake Partners to go private. The personal computer boom is over now and the company is struggling. Shares went up 2.44 percent to $12.59.