How Bill Ackman’s $25bn Pershing Square IPO collapsed

Bill Ackman’s plans for the largest ever trust IPO in US history, a $25bn float of closed-end fund Pershing Square US, are no more. The billionaire hedge fund manager admitted defeat late last night, withdrawing his proposal that he hoped would be a competitor to Warren Buffett’s Berkshire Hathaway. While Ackman said Pershing had received [...]