While the deluge of recent negative news has made it apparent to all that UnitedHealth (NYSE: UNH) stock is in dire straits, Bill Ackman saw the writing on the wall months in advance.As early as February, the billionaire hedge fund manager published an X post explaining he had assumed the healthcare company was guilty of, at the very least, fraud, even before the Department of Justice (DoJ) announced its investigation.According to Ackman, UnitedHealth’s aggressive posturing against critics was a tell-tale s ...