US stocks opened mostly down as worries over the tariffs and the economy linger. Companies say consumer demand's slowing and Trump ups Canadian tariffs.

The Consumer Price Index Report showed prices rose 2.8% in February, less than expected. Follow along for live updates on stocks, bonds and other markets, including the Dow Jones Industrial Average, S&P 500 and Nasdaq Composite,

U.S. equity futures edged lower in early Thursday trading, while Treasury yields and the dollar bumped higher, as investors added the threat of a U.S. government shutdown to a growing list of concerns tied to the fate of the world's biggest economy.