U.S. stock indexes opened flat on Wednesday ahead of comments from Federal Reserve Chair Jerome Powell that will be closely watched for signs of a slowdown in the pace of interest rate hikes by the central bank.
The S&P 500 opened lower by 0.45 points, or 0.01 percent, at 3,957.18, while the Nasdaq Composite gained 11.42 points, or 0.10 percent, to 10,995.20 at the opening bell.