U.S. stock index futures were marginally lower on Thursday, cooling after Nvidia's sprint to a $4 trillion valuation supported markets the day before, while investors turn their attention to economic data and trade talks.

Nvidia chipmaker Taiwan Semi reported strong sales while Delta stock flew on Q2 results. On Wednesday, Nvidia stock briefly topped a $4 trillion market cap while AI plays Astera Labs and Rubrik flashed buy signals.

US stock market today opened slightly lower as Dow, S&P 500, and Nasdaq futures paused after a powerful tech rally led by Nvidia, which just hit a historic $4 trillion market value. Meanwhile, President Trumps new tariff threats—including a proposed 50% import tax on Brazil and extra tariffs on BRICS nations—are now in focus.

U.S. stock futures are little changed as investors digest new tariffs on copper and imports from Brazil, while Nvidia and Microsoft shares are in focus after both closed at record highs. Here's what investors need to know today.

Gains in Nvidia helped the NASDAQ Composite finish at a record-high close of 20,611.34 points. The S&P 500 rose 0.6% to 6,263.28 points, remaining close to a recent peak, while the Dow Jones Industrial Average rose 0.5% to 44,458.40 points.

Both the Nasdaq and S&P reached new records, as did Nvidia after becoming the world’s first $4 trillion company. Copper futures and mining companies rallied after President Trump said levies on the metal will go into effect in early August.

Stock futures are holding steady Thursday morning as investors keep close tabs on developments related to tariffs.

U.S. stock futures dip amidst renewed tariff threats from Trump targeting Brazil and copper imports. While Nvidia leads tech gains, Delta forecasts brighter earnings. Investors eye initial jobless claims and trade talks,

Nearly 230,000 Americans applied for unemployment benefits last week, fewer than economists had expected, according to the latest weekly jobless-claims data, released Thursday. Also, the number of Americans continuing to collect benefits stood at just under 1.

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,

Major stock indexes rose on Wednesday as Nvidia briefly climbed to a $4-trillion valuation, while the euro edged lower, with the Trump administration getting closer to a deal with its biggest trading partner,