Anthropic's IPO filing lifts chip stocks 2.9% as Brazil election shocks markets

The S&P 500 rose 0.71% to 7,678 and the Nasdaq 100 gained 1.09% as Anthropic's S-1 showed first-half revenue of $16.3 billion, while a Lula win sent the iShares Brazil fund down 19.8%.

Deepakshi Sharma

Kristal Research

27 Oct2 min

Key takeaways — AI summary

US stocks opened a crowded week higher, with the S&P 500 up 0.71% to 7,678 and the Nasdaq 100 up 1.09% to 20,273; semiconductors rose 2.9% after two losing weeks and technology was the best sector at +1.5%.
Anthropic's IPO filing — its first full financial disclosure — showed first-half revenue of $16.3 billion, up from $1.2 billion a year earlier, now earning $2.08 per $1 of computing (a 5.2x jump since early 2025), alongside an $80.7 billion first-half net loss (about $72 billion of it an accounting charge) and more than $475 billion of multi-year computing deals; it plans to list on the Nasdaq as ANT, with the Wall Street Journal reporting a possible $100 billion-plus raise at a $1.5–2 trillion valuation.
Funding strain persisted: Meta launched the first $35 billion of a planned $95 billion share sale for data centres and fell 1.9%, Elon Musk said debt markets are nearly shut for AI cloud firms, and SpaceX lined up a $40 billion GPU lease led by Apollo priced up to 8.75%.
Brazil delivered the day's shock as Lula won a fourth term despite polls favouring his rival; the iShares Brazil fund fell 19.8% (worst since March 2020), XP Inc. dropped 48.3%, and the real had its worst day against the dollar since at least 1994.
Bonds and commodities stayed calm: the 10-year Treasury yield slipped to 4.99% and the two-year rose to 4.72% after a weak $69 billion auction; WTI crude fell 1.5% to $101.76 and gold eased 0.24% to $4,007 in Asian trade.

Generated by Kristal AI · reviewed by the research desk

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