Companies whose shares are expected to trade actively in today’s session are Research In Motion Ltd (NASDAQ:BBRY) (TSE:BB), Dollar General Corp. (NYSE:DG), Dell Inc. (NASDAQ:DELL), Idenix Pharmaceuticals Inc (NASDAQ:IDIX), Apollo Group Inc (NASDAQ:APOL) and ZaZa Energy Corp (NASDAQ:ZAZA).

stocks to watch

Research In Motion Ltd (NASDAQ:BBRY) (TSE:BB): The company’s much anticipated BlackBerry Z10 failed to create a buzz, despite positive reviews when it was launched in the U.S. market Friday. Research In Motion Ltd (NASDAQ:BBRY) (TSE:BB) shares fell 8 percent on Friday as investors kept a close watch on the sales of the device. Shares were down 4.02 percent to $14.31 in in early trading.

Dollar General Corp. (NYSE:DG): The retailer’s fourth quarter profits handily beat Wall Street expectations despite lower than expected sales growth. The company earned $317.4 million or 97 cents per share on sales of $4.21 billion. Analysts were expecting 90 cents in earnings on revenue of $4.26 billion. Shares soared 4.55 percent to $52.35.

Dell Inc. (NASDAQ:DELL): A special committee of the computer maker’s board said that the alternative proposal received from Carl Icahn and Blackstone Group LP could be superior to the founder Michael Dell and Silver Lake Partners’ $24.4 billion bid last month. However, Michael Dell said the committee is still considering to support the deal with Michael Dell and Silver Lake Partners. Shares went up 3.04 percent to $14.57 in the early session.

Idenix Pharmaceuticals Inc (NASDAQ:IDIX): The company had applied for patents of certain molecules that may treat Hepatitis C. But the U.S. Patent & Trademark Office has denied patent to the biopharmaceutical company in the first phase of the two-step process. Shares dipped 9.78 percent to $4.15 in early trading.

Apollo Group Inc (NASDAQ:APOL): The private education provider posted 79 percent decline in its second quarter earnings due to lower revenues. The company said advertising expenses were high but enrolments were much lower. However, results were better than analysts’ estimates. Shares soared 7.16 percent to $18.26 in the early session.

ZaZa Energy Corp (NASDAQ:ZAZA): The oil and gas company has announced to sell a part of its Texas assets for $52.5 million. ZaZa also said that it has joined hands with one of the biggest oil and natural gas companies in the U.S. to develop its remaining Texas assets. Shares rose 21.21 percent to $2 in early trading.