Interactive Brokers' Steve Sosnick on whats fueling the comeback in meme stocks

Street's earnings estimates and announcing a $3 billion stock buyback program. Well, the meme stock trade is making a comeback. Stocks like American Eagle, Kohl's, Open Door, Krispy Kreme and GoPro all up double digits this week.But what's fueling this surge. Is this a sign of renewed retail confidence or summer overheating. Let's ask Interactive Brokers chief strategist Steve Sosnick.Steve, what are the charts tell you. >> Well, good to see you, John. I think what it's telling me is that there's an undercu ...