Stocks Alert: PLUG, CCO.TO, CCJ, OIIM

Plug Power (NASDAQ: PLUG): Stock is up between 3.93 and a high of 4.65 in pre-bell trade. Upside momentum has been steady in the 3.93 to 4.31 area, levels where longs may want to watch for a possible near-term floor support to form.

Denison Mines Corp. (NYSEMKT: DML.TO, DNN) is up 4% in pre-market trade on Wednesday as it provided an update on uranium exploration activities at several properties in the Athabasca Basin in northern Saskatchewan. Highlights of the program include high grade intersections at Zone A of the Phoenix deposit, including 29.6% eU3O8 over 6.5 metres in WR-548. Phoenix is located on the Wheeler River property which lies between the McArthur River Mine and Key Lake mill complex in the Athabasca Basin in northern Saskatchewan. Denison is the operator and holds a 60% interest in the project.

Cameco Corporation (NYSE: CCO.TO, CCJ) – which is up 0.4% in pre-market trade – holds a 30% interest and JCU (Canada) Exploration Company, Limited holds the remaining 10% interest.

Cablevision Systems (NYSE: CVC) rose nearly 3% in pre-market trade after reporting Q4 earnings that were well ahead of analysts’ estimates.

The cable television operator said its Q4 income from continuing operations swung back to a profit of $0.18 per share from a loss of $0.29 the year earlier, exceeding the $0.10 average estimate from analysts polled by Capital IQ. Sales rose to $1.58 billion from $1.52 billion, compared to the $1.6 billion consensus estimate.

“We improved the quality of our network, increased the efficiency of our operations and strengthened the company’s financial profile,” CEO James Dolan said in a statement. “Our focus on improving the customer experience resulted in the successful roll-out of new and enhanced products as well as better service for our customers. We look forward to continuing this progress in 2014.”

O2Micro International Limited (NASDAQ: OIIM), which designs and makes integrated circuits and solutions, said the Japanese Patent Office has granted a patent to its Selector Circuit for Power Management in Multiple Battery Systems invention.

The invention enables the integration of the battery charger and selector circuits to reduce PCB area. This reduces component costs in portable electronic devices with multiple batteries, such as notebook computers.

The shares closed at $3.83 on Tuesday and are flat pre-bell.