Wall Street set to open flat after Tuesday's rally; Disney weighs

Wall Street was set to open little changed on Wednesday, a day after S&P 500 enjoyed its best day in two months and as Dow component Walt Disney reported a rare earnings miss. Disney shares were down 5.5 percent at $100.71 in premarket trading after the company's result missed expectations as advertising and subscriptions declined at ESPN. On Tuesday, the S&P 500 and Dow Jones notched their biggest daily percentage gain since March 11 and the Nasdaq its biggest since April 13, helped by