Trader Radar - Wednesday Apr. 23rd

Q: On Fast Money’s trader radar we look at the stock that was lighting up screens across Wall Street. The biggest company in Canada, many users are literally addicted to their “pearl” and “curve” smartphones. But it was the company’s shares that were ringing off the hook today, ahead of iPhone-maker Apple’s highly anticipated earnings. Who is it?

A: On the Trader Radar tonight we’re watching Research In Motion . Shares of the BlackBerry maker were among the most actively traded on the Nasdaq today.