Shares opened higher in Europe but sagged Tuesday in Asia as worries over U.S.-China trade friction weighed on the outlook for the region. Dramatically shifting transatlantic relations under U.S. President Donald Trump,

In the bond market, Treasury yields pulled back as investors herded into investments generally seen as safer when the U.S. economy’s prospects look rockier. Yields have been swinging sharply since President Donald Trump’s election amid uncertainties about how his policies on tariffs, immigration and taxes could affect the global economy.

Nvidia's quarterly results and forecasts, expected after markets close, are likely to set the tone for AI stocks that have dominated Wall Street.