Billionaire investor Bill Ackman has launched a $65-billion bid to purchase Universal Music, or UMG, the label representing some of music’s biggest names including Taylor Swift, Kendrick Lamar and Bad Bunny. As part of the proposed deal, UMG would merge with Ackman’s investment firm, Pershing Square Capital Management, and the company’s stock listing would be relocated from Amsterdam to the New York Stock Exchange. Pershing Square already holds more than 4.5% of the music giant’s shares. Ackman said the move to a U.S.-based stock exchange would increase the value of UMG. “UMG’s stock price has languished due to a combination of issues that are unrelated to the performance of its music business and importantly, all of them can be addressed with this transaction,” said Ackman in a statement. The proposed deal includes Universal Music merging with Pershing Square SPARC Holdings, an acquisition company approved by the U.S. Securities and Exchange Commission in 2023. If approved by investors, the transaction could close at the end of the year, according to the company. Pershing is also calling …