Active traders and day traders have many stocks to choose from this Tuesday morning. We are tracking news and  moves in shares of Icagen, Inc. (NASDAQ: ICGN), Interdigital, Inc. (NASDAQ: IDCC), News Corporation (NASDAQ: NWSA), and Pfizer (NYSE: PFE).

Icagen, Inc. (NASDAQ: ICGN) is up nearly 4% premarket to $8.20, relative to a 52-week range of $0.93-$8.20. It is rumored that pharma giant Pfizer Inc. (NYSE: PFE) w
ill acquire the company.

Interdigital, Inc. (NASDAQ: IDCC) is up 23.5% before market open to $51.55, relative to a 52-week range of $24.39-$58.64. The company’s board announced it would be exploring strategic alternatives, including the potential sale of the company.

News Corporation (NASDAQ: NWSA) is up 2.5% on heavy volume to $15.35, relative to a 52-week range of $11.91-$18.35. Shares of Rupert Murdoch’s company are up after falling more than 6% yesterday.