Billionaire hedge fund investor Bill Ackman has slammed organisers for the US Open tennis Grand Slam organisers over the price of tickets. A day one ground pass will set fans back $363, or £268. This will not give fans access to the show courts, with tickets for those set at an even higher price. an equivilant ground pass at Wimbledon will cost fans £33. Wimbledon’s famous queue means that ticket resellers and third party organisations cannot bu…