Global stocks had a mixed session Thursday as US President Donald Trump's new tariffs on dozens of countries took effect, with investors eyeing exemptions from his threatened 100-percent levy on semiconductors.
After a positive start, momentum on Wall Street faded, with both the Dow and S&P 500 finishing lower.
"This tariff issue is still an overhang for the market as it kind of contemplates what that might mean in terms of inflation, and what it might mean in terms of earnings," said Briefing.com analyst Patrick O'Hare.
"There's concerns about the market acting a little bit too complacent around these tariffs."
But tech stocks were lifted by Trump's pledge of chip-tariff exemptions for companies that invest heavily in the United States or commit to do so. The Nasdaq rose 0.4 percent