> somehow he knows something and/or his public predictions influence the markets I'm pretty sure multiple data vendors compete to sell low-latency feeds of hi

> somehow he knows something and/or his public predictions influence the markets I'm pretty sure multiple data vendors compete to sell low-latency feeds of his picks, given his popularity. If a Cramer-tracking ETF underperforms the market, it's entirely possible that the ETF enters the market late (after the market has mostly priced in the Cramer-bump) and holds during the reversion to the mean. Though, I haven't looked into it. This is not investment advice.