U.S. stocks fell Friday after President Trump said he would impose a 35% on some Canadian imports, spooking the markets. The S&P 500 declined 0.33 %, and the Dow fell 0.63 %. Nvidia hit a $4.02 trillion record valuation,

Nvidia has made history as the first publicly traded company to achieve a $4 trillion valuation, highlighting the impact of artificial intelligence.

The FTSE 100 is being led higher by miners, and the materials sector is higher by more than 3% on Thursday. Healthcare stocks are also strong across Europe. This may sound counterintuitive, President Trump has just announced tariffs on copper,

The S&P 500 and Nasdaq registered record closing highs on Thursday, and Nvidia's market value closed above $4 trillion for the first time, while the Brazilian real recovered some losses following U.S.

Uncertainty prevailed in the U.S. markets as President Trump expanded his tariff campaign, affecting major indexes like the S&P 500 and the Dow Jones. While Nvidia's record-breaking valuation provided a boost,

Tax incentives contained in the sweeping tax and budget bill Trump signed on July 4 could provide a fresh boost to AI chipmakers.

CNBC's Jim Cramer on Wednesday reflected on the significance of one of his long-time favorite stocks, Nvidia, just after the artificial intelligence powerhouse became the first company to amass $4 trillion in market cap during trading.

This sharp rally has pushed Nvidia to reclaim the title of the world's most valuable stock, with a market capitalisation of $327 trillion, beating Microsoft's $311 trillion. Apple remains at a distant third with $270 trillion in m-cap.

Continuing questions about the impact of Trump administration tariffs caused U.S. equities to be higher but little changed at midday.