Wall Street's main indexes opened slightly higher on Wednesday, as the Federal Reserve was widely expected to deliver its first interest rate cut in more than four years, with most investors betting on a 50-basis point reduction.
The Dow Jones Industrial Average rose 22.7 points, or 0.05%, at the open to 41,628.91.
The S&P 500 rose 7.1 points, or 0.13%, at the open to 5,641.68, while the Nasdaq Composite rose 35.3 points, or 0.20%, to 17,663.383 at the opening bell.