Investors with a lot of money to spend have taken a bearish stance on Charles Schwab (NYSE:SCHW).And retail traders should know.We noticed this today when the trades showed up on publicly available options history that we track here at Benzinga.Whether this is an institution or just a wealthy individual, we don't know. But when something this big happens with SCHW, it often means somebody knows something is about to happen.Today, Benzinga's options scanner spotted 8 options trades for Charles Schwab.This is ...