US stocks exhibited modest gains on Tuesday, September 22, 2026, driven by investor confidence in artificial intelligence and declining oil prices. The Nasdaq Composite rose 0.4%, following a record high on the previous day. The S&P 500 increased by 0.1%, while the Dow Jones Industrial Average remained largely unchanged.

Read More

The positive momentum for stocks began at the week's start, supported by successful preliminary talks between US and Chinese officials ahead of a key meeting between President Trump and Chinese leader Xi Jinping. Treasury Secretary Scott Bessent described these talks as "very successful," heightening expectations for potential cooperation on AI.

On the commodities front, oil prices fell after reports indicated that Iran might reopen the Strait of Hormuz within a week if the US reduces military pressure. Brent crude futures dropped over 2%, while West Texas Intermediate fell nearly 3%.

Tech company Meta saw significant gains as its Muse AI agent app achieved the top position on the App Store, indicating strong demand for chips. Shares rose by 11% on Monday and continued to increase on Tuesday. This surge added approximately $192 billion to Meta's market capitalization and increased CEO Mark Zuckerberg's net worth by over $13 billion. Muse recorded 2.8 million downloads in its first 12 days, outpacing the early adoption pace of ChatGPT.

In earnings news, AutoZone reported a profit that exceeded expectations, leading to a 3% rise in its share price on Tuesday. Meanwhile, KB Home is set to announce quarterly results today.

Bitcoin regained strength, surpassing $86,000, following a multi-session rally fueled by falling oil prices. Analysts consider this resurgence as a sign of a potential new bull market for cryptocurrencies.

Overall, stock market trends were influenced by falling oil prices and investor enthusiasm surrounding advancements in artificial intelligence. The "Magnificent Seven" tech stocks, including Meta, Apple, and Microsoft, regained their status as market leaders as investor sentiment shifted positively.