** Shares of healthcare conglomerate UnitedHealth UNH.N fall 2.65% to $530.97
** Billionaire investor Bill Ackman, in a now-deleted post on social media platform X, said he would take a short position if he "still shorted stocks", referring to UNH's health insurance unit, UnitedHealthcare
** Ackman also said the company's profits are likely overstated due to its coverage decisions
** UnitedHealth did not immediately respond to Reuters' request for comment
** The murder of UnitedHealthcare CEO Brian Thompson had sparked conversations outpouring anger from Americans frustrated over their dealings with health insurers related to medical care denials
** Stock fell ~4% in 2024
(Reporting by Sriparna Roy in Bengaluru)
((Sriparna.Roy@thomsonreuters.com;))