GLOBAL MARKETS-S&P 500, Dow stall after hitting record highs; oil falls

Major U.S. stock indexes eased back from record intraday highs on Wednesday and European shares gave back some gains to trade little changed as investors took a breather from recent rallies. The benchmark S&P 500 hit 2,156.45, topping Tuesday's intraday record of 2,155.40, while the Dow hit 18,390.16 to top Tuesday's record intraday peak of 18,371.95, the third straight day of such peaks for the S&P and the second for the Dow. The FTSEurofirst 300 index of top regional shares earlier tou