Robinhood and other retail brokerages are cutting off trading for some red-hot stocks. And that’s causing some of them to collapse in a big way. With some investors starting to cry foul, should we expect a reaction from the broader market? We’ll ask Jonathan Golub of Credit Suisse. Plus, Republicans in Washington are weighing in on the “Reddit Revolution,” and have a warning for Wall St.: the populist movement is here to stay. And, Paul Hickey of Bespoke says there’s more to the run-up in names like Gamestop besides amateurs buying stocks blindly. He’ll explain why.

Stocks are hitting new all-time highs with nearly every sector represented today, from Microsoft to Etsy and more. Are we looking at a frothy market, or are earnings justifying these sky-high levels? We’ll ask Neil Hennessy of Hennessy Funds. Plus, Alaska Air just posted a quarterly loss, but says it sees signs of brighter days ahead. We’ll speak exclusively with the CEO. And, the latest consumer confidence report is sending a strong message to the housing market. We’ll explain why, and what’s ahead.