Q: On Fast Money's Trader Radar we look at the stock that was lighting up screens across Wall Street today. This semiconductor name is no "flash" in the pan, as its the world's largest maker of flash memory and chips for digital cameras. The silicon stock has even been taking on the iPod with its own line of "Sansa" multimemdia devices. But it was Intel's intense earnings last night that gave this processor play a pop. Who is it?

A: Sandisk is on the Trader Radar tonight! Shares of this memory maker company were among the most actively traded at the Nasdaq today.