Wall Street opens little changed on final day of stellar quarter

US stock indices opened flat on the final trading day of a quarter that delivered the strongest gains for major equity benchmarks in several years. The Dow was down 14.6 points at 52,168.18, the S&P 500 slipped 0.8 points to 7,441.27, and the Nasdaq Composite edged up 4.3 points to 25,824.47.