Even as Elon Musk’s X Holdings Corp. basks in a valuation facelift, the social-media platform remains mired in debt and its improved fortunes owe much to heavily adjusted financials and investors’ fear of missing out.The company is talking to investors about a fresh equity fundraising that would catapult it back to the $44 billion valuation it had in 2022 when Musk purchased the platform then called Twitter, Bloomberg reported on Wednesday. Enthusiasm around X, which allowed its lenders to easil...