Nvidia's rise on Monday spurred a bigger rally that boosted the S&P 500 to a new record. The chip titan will invest $100 bilion in ChatGPT maker OpenAI.

The Nasdaq Composite (NDX) opened the week in strong morale, climbing 175 points [0.77%] to another record high at 22,800.

Shares of Nvidia rose after the chipmaker said it plans to invest up to $100 billion into OpenAI as part of an expansive new partnership. The stock edged up 4% to $183.76 Monday, on track for a new all-time closing high. Shares are up 37% this year.

Nvidia is investing up to $100 billion in OpenAI to build huge AI data centers and power next-generation AI models. The partnership will help OpenAI grow its AI systems and reach more users worldwide.

Sep 23 Nvidia (NASDAQ:NVDA) board member Mark A. Stevens sold 350,000 shares from his trust holdings on September 19, according to a Form 4 filing with the SEC. The sale, executed at an average price of $176.

Nvidia and Palantir Technologies stocks represent the key thematic leaders of this bull market. Can they continue to rally?

US stock market retreated today after hitting record highs recently, with the S&P 500 slipping 0.53% to around 6,658 and the Nasdaq falling nearly 1% amid a selloff in Nvidia shares. The Dow Jones Industrial Average also dipped 0.

Nvidia shares lost ground in early trading Tuesday after logging their largest one-day percentage gain since July on news the AI Favorite plans to invest up to $100 billion in OpenAI. Monitor these key chart levels.

U.S. stocks kicked off the week Monday with another round of records for the major benchmarks, ending higher as shares of Nvidia Corp. soared after the chip maker announced [a $100 billion investment

The IREN stock, which closed at $23.04 on Aug. 28, jumped as much as 28% to hit the day's high of $29.50 on Aug. 29. It was trading at $25.90 at the time of writing. On the other hand, IREN's closest rival, MARA Holdings (MARA), was trading at $15.84 at press time, down 0.81% a day.