U.S. stock futures were steady Tuesday night as investors eyed the Federal Reserve's interest rate decision and May inflation data.

Futures for the Dow Jones Industrial Average fell about 25 points, or 0.06%, while futures for the S&P 500 fell about 0.03%, and Nasdaq futures were unchanged.

During Tuesday's trading, investors' shift to Apple helped lift the S&P 500 and Nasdaq Composite to new closing highs.

US indices closed mixed on Tuesday, supported by strong gains in Apple stock, while investors awaited inflation data and the US Federal Reserve's interest rate decision.

The Fed is likely to leave interest rates unchanged, but it will release its updated economic projections, which show where policymakers expect rates to stand this year and over the longer term.

The Dow Jones Industrial Average fell 0.3%, or 120 points, on Tuesday to close below 38,800. The S&P 500 rose 0.3%, its second record close this week, and the Nasdaq Composite rose 0.9% to close above 17,300 for the first time in its history.