US stock futures fell on Tuesday in the wait for the Federal Reserve meeting to start, as investors gauged the impact of President Trump's tariffs on its decision making and the path of interest rates.

Shares were mostly higher early Tuesday in Asia after benchmarks fell on Wall Street, snapping a nine-day winning streak. Oil prices bounced back slightly from a 4-year low and U.S. stock futures slipped.

After Warren Buffett's New $348 Billion Warning to Wall Street, Is He Worried About the Recent Stock Market Turmoil? The Answer May Surprise You. Warren Buffett has been a net seller of stocks in recent quarters and has built up a record stockpile of cash.

"Berkshire Hathaway Energy is worth considerably less money than it was two years ago based on societal factors," Warren Buffett said.