US STOCKS REBOUNDED AS ANTHROPIC FILED FOR AN IPO, REVIVING ENTHUSIASM FOR THE AI TRADE AHEAD OF EARNINGS FROM ALPHABET, MICROSOFT AND AMAZON. THE S&P 500 ROSE 0.7%, THE NASDAQ 100 GAINED 1.1% AND A KEY SEMICONDUCTOR GAUGE JUMPED 2.8%, WITH INVESTORS FOCUSED ON AI SPENDING PLANS AND WHETHER INVESTMENTS CAN GENERATE SUFFICIENT RETURNS.

US equities rebounded after reports that Anthropic had filed for an initial public offering, with the S&P 500 rising 0.7% and the Nasdaq 100 gaining 1.1%, while a key semiconductor gauge also advanced, though the headline is truncated. The transmission runs through risk appetite and sector sentiment: a high-profile AI listing raises the implied valuation benchmark for private AI developers and encourages investors to rotate back into AI-linked megacaps and chip suppliers that supply compute infrastructure. The Nasdaq 100 carries the greatest sensitivity given its concentration in mega-cap technology names, and Microsoft, Alphabet and Amazon, which all have large AI investment exposure and are scheduled to report earnings, are the most direct beneficiaries of renewed enthusiasm. Traders should watch the upcoming quarterly earnings from Alphabet, Microsoft and Amazon, particularly guidance on AI-related capital expenditure and cloud revenue growth, as these will determine whether the sentiment rebound is supported by fundamentals or remains a valuation-driven move.

The Nasdaq-100 (NDX) is the US large-cap tech benchmark. NDX is more sensitive to rate decisions than SPX because of longer-duration cash flows, and heavily concentrated in Tech/Comms names — mega-cap earnings season dominates price action.

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