Late Thursday, Trump posted a letter threatening to impose 35% tariffs on goods from Canada. The barrage of letters began on Monday, setting tariffs of 25% on goods from Japan and South Korea and 50% on Brazil.

S mall caps and blue chips lagged a generally down market Friday as the Russell 2000 and Dow Jones Industrial Average were responsible for most of the selling. Meanwhile the Nasdaq and S&P 500 tried to limit losses as Nvidia NVDA and Palantir PLTR continued to attract buyers on the stock market today.