The major indexes added to strong weekly gains. Tesla and AI chipmakers such as Nvidia and Arm are testing key levels.

Stocks closed solidly higher on Thursday for the fourth straight session as investor optimism about the Trump administration continues to run high.

U.S. stocks rose to a record as Wall Street regained some of the momentum that catapulted it to 57 all-time highs last year.

--Year-to-date it is up 2020.85 points or 4.75% Investor appetite for AI showed no sign of slowing, as Nvidia, Arm, Oracle, and more climbed on Wednesday.

The broad based index finished the trading day up over 0.5%, securing its first all-time closing high of 2025. The Dow Jones Industrial Average ( ^DJI) popped around 0.9%, but was unable to secure its ...

Follow along for live updates on stocks, bonds and other markets, including the Dow Jones Industrial Average, S&P 500 and Nasdaq Composite ...

The S&P 500 ( ^GSPC) was little changed, coming off a three-day win streak that saw the benchmark index close Wednesday on the cusp of setting a new all-time high. The Dow Jones Industrial Average ( ...

After driving the S&P 500 to a high, Oracle and other AI stocks gave up some of Wednesday's gains from President Trump's ...

All told, the S&P 500 rose 37.13 points, the Dow Jones Industrial Average gained 130.92 and the Nasdaq composite jumped ...

The partnership that launched the AI boom has been strained by disagreements over computing resources.