Financial markets once again have been seized by meme-stock mania. In mid-July, a frenzied rally erupted around a cohort of beaten-down companies, including Opendoor Technologies Inc., Kohl’s Corp.

Shares of doughnut maker Krispy Kreme were up as much as 70% on Tuesday with no clear catalyst, before pulling back the next ...

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

Massive moves in stocks such as Kohl’s and Opendoor Technologies are raising questions over whether a new wave of meme stock ...

The sudden return of meme-stock trading may look like risk appetite returning, but it also reflects a kind of market optimism ...