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.

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

US President Donald Trump announced a 50 percent tariff Wednesday targeting Brazil as he blasted the trial of the country’s ex-leader, while widening a push to secure more bilateral trade deals with other partners.

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.

US President Donald Trump on Wednesday threatened Brazil with a crippling tariff of 50% starting August 1, according to a letter he sent to the country’s president, Luiz Inácio Lula da Silva.

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

NBC News is tracking the prices of common purchases ahead of major discounting by Amazon, Walmart and other retailers, and as Trump’s global levies threaten to take hold.

U.S. stock futures edged lower and global equities were narrowly mixed with sector-specific duties back in the spotlight.