Trump’s tariffs and the fast-moving trade war continue to affect global markets. Follow along for live updates on the Dow, S&P 500 and Nasdaq.

Nvidia has been on a tear lately—and that’s put the the chip maker on the cusp of breaking records.

The global copper market split in two on Wednesday. President Donald Trump’s 50% tariff on imports of the metal sent U.S prices higher while London prices sank. In the U.S., front-month copper futures ...