The funds, which include Elliott International LP and Perry Partners LP, are suing Porsche for 1.81 billion euros ($2.4 billion) over claims it manipulated Volkswagen shares by denying interest in a deal before it made a bid. After other investors lost two similar claims at a German tribunal last year, the funds added antitrust claims against Porsche to their suit, forcing a move to a court that specializes in cartel suits.  Court Jumping for A Good Decision