US stock futures drifted up after the S&P 500 reached a fresh record in a dramatic rally just 10 minutes before market close. Trump on Tuesday said to expect new tariffs on automobiles starting as soon as April 2.

The S&P 500 flirts with a record as U.S. stock-market investors return from a three-day weekend, awaiting minutes from the Federal Reserve's January meeting and data due later this week.

The S&P 500 flirted with a record as U.S. stock-market investors returned from a three-day weekend, awaiting minutes from the Federal Reserve's January meeting and data due later this week.