RBC sees stocks pushing higher as everyone has 'jumped in the pool'

It's not just retail traders who have become super bullish on stocks, according to RBC Capital Markets' Amy Wu-Silverman. "Everyone has full-on jumped in the pool. This is institutional, this is retail," Silverman said in a CNBC " Squawk Box " interview Tuesday, noting traders of all classes are loading up on call options. These give the holder the right, but not the obligation, to buy the underlying asset a predetermined price for a specified time. …