Active traders and day traders have many stocks to choose from this Wednesday morning. We are tracking news and  moves in shares of Comcast Corporation (NASDAQ: CMCSA), Hertz Corporation (NYSE: HTZ), Nokia Corporation (NYSE: NOK), Research in Motion (NASDAQ: RIMM), Yingli Green Energy Holding Corp. Ltd. (NYSE: YGE).

Comcast Corporation (NASDAQ: CMCSA) is up nearly 2% before market open to $23.12, relative to a 52-week range of $16.76-$27.16.

Hertz Corporation (NYSE: HTZ) is up 5.5% premarket to $13.70, relative to a 52-week range of $8.36-$17.64.

Nokia Corporation (NYSE: NOK) is up 2.25% before market open to $5.46, within a 52-week range of $5.31-$11.75.

Research in Motion (NASDAQ: RIMM) is up 3% before market open to $24.84, relative to a 52-week range of $24.10-$70.54. The company announced it would be launching 5 new versions of the Blackberry smartphone.

Yingli Green Energy Holding Corp. Ltd. (NYSE: YGE) is up 2.6% before market open to $7.34, relative to a 52-week range of $6.77-$14.79.