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.

President Donald Trump ratcheted up tariffs on Canada late Thursday, stoking tensions with a top U.S. trade partner as the two sides try to hash out a trade agreement by the end of the month. The Dow Jones Industrial Average tumbled 250 points,