President Donald Trump’s vows to roll out punishing new tariffs on Aug. 1 have barely made a ripple with investors who are convinced he’ll once again back down. But at the White House, officials insist they’re serious this time.

The Trump administration could send more tariff letters or reach new trade agreements before the start of August, White House Press Secretary Karoline Leavitt said Monday. That's when the pause on Trump's so-called reciprocals tariffs are set to expire.

The president is set to raise taxes on imports arriving from many countries, including Canada and Mexico. That’s on top of the tariffs that the White House has already announced on specific products,

The White House altered the plan at the last minute regarding India. Attempts are being made to persuade Trump to rethink his decision. However, at present, negotiators are returning to the negotiation table to resume discussions and, if necessary, completely restructure the agreement.

National Economic Council Director Kevin Hassett defended Donald Trump’s newly unveiled 50% tariff against Brazil on ABC News' "This Week."

The Philippines has agreed to a trade deal with the United States that will lower U.S. tariffs on its exports to 19 percent, President Trump announced Tuesday following a meeting with the Philippine president,

The colloquial use of the term by Trump, the White House, and U.S. governmental departments has prompted criticism.

The chair of the White House Council of Economic Advisers said that some countries that are negotiating with the U.S. could see tariffs delayed.