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AI-fuelled frenzy: Record highs and storm clouds on wall street

Denila Lobo
October 7, 2025
2 minutes read
AI-fuelled frenzy: Record highs and storm clouds on wall street

It’s not every morning Wall Street wakes up to a fresh wave of optimism, yet the markets on 7th October 2025 practically shimmered with anticipation. As traders logged on, two stories gripped the financial world: a record-breaking rally in tech, fuelled by artificial intelligence, and a palpable sense of unease that history might be repeating itself.

AMD’s multibillion-dollar alliance with OpenAI, allowing Sam Altman’s startup to buy up to 10% of the chipmaker, set the tone for the week. Shares of AMD shot up 24% following the deal, which industry analysts called “a strong vote of confidence in AMD’s AI plans and proof of rising demand for its chips.” Blayne Curtis of Jefferies summed up the mood: “The scale of the OpenAI agreement warrants an exception. The partnership is a clear sign that AMD is now a major force in AI chips.”

Despite the government shutdown delaying key economic data and leaving investors data-starved, the technology sector rallied. The S&P 500 notched another all-time high, and Nasdaq surged, even as the Dow slipped. Tesla, never one to be outdone, soared 5% on cryptic hints of an impending product announcement, fuel for a crowd that thrives on news teasers and momentum.

Line graph of S&P 500 and Nasdaq index values from September to early October 2025, with all-time highs marked.

Euphoria and warning signs

But for every party, there’s always a guest whispering caution. Billionaire hedge fund legend Paul Tudor Jones echoed the unease many felt when he appeared on CNBC that morning. “My guess is that all the ingredients are in place for some kind of a blow off,” Jones warned, evoking the dizzying heights, and sudden falls, of the late ‘90s dot-com bubble. He didn’t mince words: “History rhymes a lot, so I would think some version of it is going to happen again. If anything, now is so much more potentially explosive than 1999.”

Jones pointed to runaway enthusiasm for tech and AI, a record-high Nasdaq, and the backdrop of Federal Reserve easing and ballooning deficits. “The ingredients are in place for a massive rally,” he said, noting that market euphoria can trigger fierce surges, right before a “blow-off top” and sharp correction.

His view was echoed by market strategists tracking the frantic pace of gains in AI-related shares. Dave Sekera at Morningstar described today’s market as “highly concentrated. When you look at performance, it’s all AI.” But Sekera also offered a reminder: “Returns are highly correlated and concentrated among mega-cap stocks, particularly those linked to the AI expansion.”

Eyes remain on the future

With the earnings season underway and corporate heavyweights like PepsiCo and Delta Air Lines set to announce results, traders are watching every tick for hints about broader economic health. The lack of government data only adds to the anticipation. Meanwhile, gold flirted with $4,000 an ounce, nearly double its price a year ago, and Bitcoin crossed the $125,000 threshold as investors looked for safety outside traditional assets.

The mood on Wall Street today is electric, optimistic, yet tinged with a sense of déjà vu. As history’s lessons remind, heady rallies tend to end as quickly as they begin. For now, however, the market is still in celebration mode, riding the AI wave higher and watching for the next twist in the tale.

Line graph of S&P 500 and Nasdaq index values from September to early October 2025, with all-time highs marked.

Disclaimer: The views and recommendations made above are those of individual analysts or brokerage companies, and not of Winvesta. We advise investors to check with certified experts before making any investment decisions.

Disclaimer: The views and recommendations made above are those of individual analysts or brokerage companies, and not of Winvesta. We advise investors to check with certified experts before making any investment decisions.

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