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

The latest crop of meme stocks was seeing mixed performance on Friday. Notably, shares of Opendoor Technologies Inc. and Rocket Cos. were up sharply. Rocket was trading at $16.80, up $2.03, or 13.7%, ...

Krispy Kreme’s ($DNUT) stock has been on a sweet run, surging over 30% in the past month—including a remarkable 25% jump just ...

If you thought meme stocks had ridden off into the sunset, think again. Shares of companies such as Krispy Kreme and Kohl’s saw unusual surges starting in mid-July. The frenzy earned the “DORK” label ...