BookWatch: What investors should do if they think the stock market is in a bubble, according to the folks who wrote the book on bubbles

The coronavirus shutdown has resulted in a resurgence of day trading, particularly on zero-commission apps. But could the entry of large numbers of speculative day traders create a bubble in stocks?

The coronavirus shutdown has resulted in a resurgence of day trading, particularly on zero-commission apps. But could the entry of large numbers of speculative day traders create a bubble in stocks?