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Anthropic IPO Filing Lifts AI Stocks as S&P Rises

By Drooid · Oct 28, 2026, 14:34 UTC · How we work

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Summary

US stocks rose as Anthropic’s IPO filing lifted AI-related shares.
The S&P 500 closed at 7,676.77 and Nasdaq at 26,169.38, up 0.70% and 0.83%.
The semiconductor sector led gains as the Philadelphia index rose 2.8% despite a 12.2% month-to-date decline.
Tesla jumped 5.2% after Barclays upgraded its rating to overweight.
SK Hynix reported a 631% profit surge, shares rose nearly 11%, and announced 60 trillion won shareholder returns.

History

In March 1999 the Nasdaq broke the 3,000-point barrier, sparking the late-1990s dot-com boom that saw venture capital pour into internet firms and valuations soar. The bubble peaked at 5,048.62 on 10 March 2000—a 400% rise since 1995—before collapsing, a pattern echoed today as AI startup Anthropic prepares an IPO and semiconductor stocks like SK Hynix post massive gains.

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Historical Context

In March 1999 the Nasdaq broke the 3,000-point barrier, sparking the late-1990s dot-com boom that saw venture capital pour into internet firms and valuations soar. The bubble peaked at 5,048.62 on 10 March 2000—a 400% rise since 1995—before collapsing, a pattern echoed today as AI startup Anthropic prepares an IPO and semiconductor stocks like SK Hynix post massive gains.

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