MicroStrategy Inc shares tumbled after Andrew Left’s Citron Research said in a post on X that it’s betting against the software company, which has effectively transformed itself into a Bitcoin investment fund.

Citron Research has taken a short position in MicroStrategy , the company said in a post on social media platform X on Thursday.

Much respect to @saylor, but even he must know $MSTR is overheated,” Citron Research wrote in a post on X. The firm is referring to MicroStrategy chairman and controlling sha