b'A massive sell-off after a massive rally. Scott Wapner and the Investment Committee debate how to protect yourself from all the volatility. Brian Belski of BMO joins us after he called for the Wednesday rally, he explains what he thinks about today\\u2019s reversal. Plus, our resident bull, Jim Lebenthal, calls in to describe his strategy on days like today. And later, Pete Najarian shares some Unusual Activity in four names.'