President Donald Trump is threatening to revive his trade war. Wall Street isn’t too concerned. Global markets were relatively calm Tuesday after Trump on Monday ratcheted up his tariff campaign — but extended the deadline to August 1 and said he was open to negotiations. That provided a sense of optimism for investors.

Wall Street is pointing to a lower open as the Trump administration steps up pressure on trading partners to quickly make deals before a Wednesday deadline. The U.S. will warn