Market Open: Stocks, Chipmakers Rise; New Tariffs on Canadian Goods • 7/21/26

I'm Jessica Edinger, CNBC. Wall Street is higher out of the gate. Investors shrugging off a heating up US war with Iran.The Dow is up 94 points. It's being lit higher by shares of 3M. They're up almost 8% this morning on strong quarterly results.The S&P 500 index up 31 points. The Nasdaq's up 226 points. That's 9/10en of a percent.Chipmaker shares higher this morning. Micron up 8 and a half% out of the gate. Intel up 6%, AMD up 5%, Taiwan semis up 4% this morning.Last night marked the 10th straight day of U ...