Walt Disney shareholders have backed chief executive Bob Iger and other company directors, ending a multimillion-dollar mud-slinging battle launched by activist investors Trian Fund Management and Blackwells Capital. The vote to reelect all 12 of Disney's current board members, announced at the company's annual shareholder meeting on April 3, defeated the campaign by the investors, who argued the entertainment conglomerate had underperformed in the streaming-television era.