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 Donald Trump announced 25% taxes on products from Japan and South Korea, in addition to the threat of higher potential tariffs on goods from those nations if they raise their tariffs on American goods.

Electronics, home goods, clothing, kitchenware and more — these are the smart buys to grab during Prime Day before tariffs potentially drive prices higher.

Amazon's Prime Day sales event will be held July 8-11. Will tariff worries have an effect on sales?