Meme-stock behavior among some retail investors never really went away, a portfolio manager at Leuthold Group said.

July, Opendoor Technologies (NASDAQ:OPEN) became the darling of the meme stock crowd, fueled by social media hype and a bold ...

Businessman trading stock market on teblet screen by Nespix via iStock. Opendoor Technologies (OPEN) has long been one of the ...