The half-life of dips is ever-shorter, says Interactive Brokers' Steve Sosnick

party a party in every spin. >> All right, welcome back to The Exchange, everybody. Stocks mixed after a whipsaw.Two days. My next guest says that yesterday's rebound after Friday's sell off proves that FOMO is still driving the markets. But he's beginning to question whether buying the dip is morphing into trying to catch a falling knife.For more on this, we want to bring in Steve Sosnik, who is chief strategist at Interactive Brokers. And Steve, thanks for coming in to studio. >> My pleasure Becky.>> All ...