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

Asian stocks were higher while European stocks and U.S. futures were mostly flat as markets focus on the latest trade developments after President Trump announced a three-week extension to the tariff deadline to Aug.

What level of tariffs will the U.S. impose on imports and when? Stock futures were falling early Monday as markets were roiled by threats of new levies but also confusion over the deadline for the proposed duties.