Krispy Kreme, Opendoor, Rocket and Kohl’s are merely the public face of a summer boom in bets by private traders.

So-called meme stocks first entered the investing landscape in early 2021, most notably when shares of GameStop went from around $3 to more than $120 in the span of a few months a

The market saw a fresh meme stock frenzy this week. While high exuberance can be a contrarian sell signal, sources say the market is still in good shape.