Investors are digesting Trump's stiff tariffs on imports from more than a dozen countries and delayed the return of sweeping April levies.

The Nasdaq composite held up the best among the major indexes, but wavered and was up just 0.2% in recent trades. The S&P 500 also wavered and edged into positive ground after falling 0.8% Monday. Small caps outpaced the market, with the Russell 2000 index lifting 0.5% higher. The Russell ended a six-day winning streak Monday.

Futures on Wall Street are extending losses after benchmark indices witnessed selling pressure at the start of the new trading week. The Dow futures are currently down 110 points, while those on the S&P 500 and Nasdaq are down 15 and 25 points respectively.