Tech Stocks Surge as AI Investment Reaches New Heights
U.S. stock markets hit record intraday highs yesterday, fueled by continued investor enthusiasm for artificial intelligence and significant tech sector deals.
The S&P 500, Dow Jones Industrial Average, and Nasdaq Composite all reached new peaks, with technology companies leading the gains. Nvidia shares jumped nearly 5%, and Microsoft climbed roughly 2%, pushing both companies past a $4 trillion market capitalization – a first for Apple, though it closed just below that level. This surge reflects growing confidence in the long-term potential of AI despite concerns about valuations.
Investment in AI infrastructure continues to accelerate, as demonstrated by Nvidia’s $1 trillion investment in Nokia, which the Finnish company will use to develop its AI capabilities. Nokia, once known for mobile phones, is now a major provider of cellular equipment. Microsoft, holding a 27% stake in OpenAI’s for-profit business, stands to benefit significantly if AI becomes a sustainable revenue generator. OpenAI completed its restructuring yesterday, establishing a nonprofit with a controlling stake in its for-profit arm. Ark Invest’s Cathie Wood believes “If our expectations for AI … are correct, we are at the very beginning of a technology revolution,” signaling continued bullish sentiment within the investment community. You can learn more about artificial intelligence from Investopedia.
Meanwhile, the Federal Reserve is expected to announce another quarter-percentage-point reduction in the federal funds rate this week, bringing the target range to 4%-4.25%. Policymakers will also debate the future path of rate cuts and the timing of ending reductions in the Fed’s asset portfolio. The Fed’s decisions will have a broad impact on the economy, influencing borrowing costs and investment decisions – read more about the Federal Reserve on its official website.
Officials indicated they will continue to monitor economic data closely as they navigate the evolving economic landscape.
OpenAI CEO Sam Altman (L) shakes hands with Microsoft Chief Technology Officer and Executive VP of Artificial Intelligence Kevin Scott during the Microsoft Build conference at the Seattle Convention Center Summit Building in Seattle, Washington, U.S., on May 21, 2024.
Jason Redmond | Afp | Getty Images
Investors can’t get enough of artificial intelligence, despite worries over the sector’s excessively high valuations.
The S&P 500, Dow Jones Industrial Average and Nasdaq Composite rose Tuesday stateside, with all three notching new intraday highs. The major averages were juiced by gains in tech. Nvidia popped nearly 5%, while Microsoft climbed roughly 2%.
Both Apple and Microsoft reached a market capitalization of over $4 trillion after their shares rose. It was the first time Apple hit that milestone, though it closed just shy of that level.
Tech companies can’t get enough of each other, either.
Nvidia announced a $1 trillion investment in Nokia, which the Finnish company said will go toward developing its AI plans. For those, like me, who remember Nokia as a company that made the most desirable and bullet-proof phones: It primarily produces cellular equipment now.
Meanwhile, with its 27% stake in OpenAI’s for-profit business, Microsoft is potentially sitting on a goldmine — provided AI finds its footing as a sustainable, revenue-generating business in the long run. OpenAI on Tuesday announced it had completed its restructuring as a nonprofit with a controlling stake in its for-profit arm.
It’s not just Microsoft. Investors who have poured money into tech could potentially gain big — as Cathie Wood of Ark Invest says, “If our expectations for AI … are correct, we are at the very beginning of a technology revolution.”
What you need to know today
And finally…
Jerome Powell, chairman of the US Federal Reserve, during the International Monetary Fund (IMF) and World Bank Fall meetings at the IMF headquarters in Washington, DC, US, on Thursday, Oct. 16, 2025.
Kent Nishimura | Bloomberg | Getty Images
The Fed has a rate cut plus a bunch of other things on its plate this week. Here’s what to expect
Markets are assigning a nearly 100% probability that the Federal Open Market Committee will approve a second consecutive quarter percentage point, or 25 basis point, reduction in the federal funds rate. The overnight lending benchmark is currently targeted between 4%-4.25%.
Beyond that, policymakers are likely to debate, among other things, the future path of reductions, the challenges posed by a lack of economic data and the timetable for ending the reduction in the Fed’s asset portfolio of Treasurys and mortgage-backed securities.
— Jeff Cox
