It has signaled it is willing to play ball with Trump's aggressive attempts to take stakes in major tech companies.

When Nvidia, the chip producer, reports earnings next week, investors expect the S&P 500 to have a bigger reaction than when the Fed chair delivers a big speech on Friday.

Bloomberg journalists discuss today's biggest winners and losers in the stock market. Listen for analysis on the companies making news on Wall Street.

Dow Jones futures will open Sunday evening, along with S&P 500 futures and Nasdaq futures. NvidiaNVDA looms large this week after Friday's big stock market rally on Fed Chief Jerome Powell's dovish Jackson Hole speech.

The U.S. market is top-heavy, with Nvidia occupying a bigger weight than any company in modern history. Risks abound, our columnist says.

Nvidia Stock Is Poised to Benefit From Rising Use of AI in Defense Systems and Global Surge in Defense Spending Global defense priorities are shifting to include greater spending on advanced technologies, such as artificial intelligence (AI). These trends should benefit Nvidia, which is the dominant provider of AI chips and related technologies.

The EV-maker's stock led gains for the Magnificent Seven during the broad market rally, rising 6.2%. Alphabet picked up 3.2%. Nvidia (NVDA) turned around early losses and finished 1.