US President Donald Trump released a fresh set of letters to trading partners Wednesday, setting out tariff rates for seven more countries as Washington pushes to bring about a flurry of trade deals.

The Dow, S&P 500 and Nasdaq remain volatile as trade deals and tariffs keep investors in limbo. Amazon’s Prime Day met with fierce competition as Walmart, Costco offer their own deals. Oil inches higher.

The clock is about to run out on President Donald Trump's 90-day pause on the sky-high "Liberation Day" tariffs announced in April, and the administration has sent a flurry of messages about what exactly will happen Wednesday when the deadline expires.

Steep tariff rates are set to go back into effect after a 90-day pause on the April 2 rates that rocked the stock market.

The Trump administration is expected to send dozens of letters to countries that have not made a trade deal, warning them that higher tariffs could kick in next month.

President Trump sent more mixed signals on his tariff policy and bashed Russian President Putin during a Cabinet meeting Tuesday.

U.S. President Donald Trump on Monday reiterated that countries that don't make trade deals with the United States will get letters, informing them of the tariffs they will be charged if they export products to the United States.

"America will, once again, build a DOMINANT Copper Industry," Trump said in a post on his Truth Social media platform.