Calm returned to Wall Street Tuesday, and tech stocks led U.S. indexes higher following a strong profit report from Palantir Technologies, a darling benefiting from the artificial-intelligence boom. The S&P 500 rose 0.

Major U.S. stock indexes opened lower Monday after President Donald Trump's tariffs on Canada, Mexico and China triggered a trade war.

Stocks on Wall Street surrendered early gains and closed broadly lower Friday after the White House said President Donald Trump would impose promised tariffs on key U.S. trading partners. The S&P 500 fell 0.

Stock markets in Asia and Europe slumped Monday after Donald Trump slapped tariffs on Canada, Mexico and China, sparking fears over another bruising ‘America First’ trade war that could hit global economic growth.