Business · Markets · 3 hrs ago
US stocks rise as Anthropic’s IPO filing lifts AI shares
US stocks rose on Monday as investors reacted to Anthropic’s filing to go public.
Anthropic, the company behind the Claude chatbot, filed with US regulators for an initial public offering.
The filing renewed interest in AI shares, helping the Nasdaq and S&P 500 recover some recent losses.
Anthropic reported rapid revenue growth alongside steep losses, highlighting the high costs of building powerful AI systems.
Investors are weighing those costs against whether heavy spending on AI will bring enough returns.
The Fed is due to announce its rate decision on Wednesday, while results from major technology companies, including Microsoft, Alphabet and Amazon, are expected this week.
Those updates could give investors new clues about the returns from AI investment and the direction of interest rates.
US stocks rose on Monday as Anthropic’s filing for an initial public offering renewed optimism about artificial-intelligence shares.
The S&P 500 and Nasdaq ended higher, recovering losses after two consecutive weekly declines.
Anthropic’s filing showed rapid revenue growth alongside steep losses, highlighting the high costs of developing advanced AI systems.
Investors remained concerned about whether heavy spending on AI infrastructure will produce sufficient returns.
Markets also looked ahead to a Federal Reserve decision and earnings reports from major technology companies.
- Who
- Anthropic and investors in US stocks, particularly technology and AI-related shares.
- What
- US stocks rose after Anthropic filed for an IPO, lifting sentiment toward AI-related companies.
- When
- Monday, October 26, 2026.
- Where
- US stock markets.
- Why
- The filing renewed optimism about AI demand, although investors remained concerned about the costs and returns of AI investment.
AI investment optimists
AI investment skeptics
Market outlook
AI investment optimists
Anthropic’s IPO filing renewed optimism about AI demand and helped lift technology shares.
AI investment skeptics
The high cost of AI infrastructure raises doubts about whether companies will earn enough from their investments.
AI company finances
AI investment optimists
Anthropic reported rapid revenue growth, and investors focused on the potential of its business.
AI investment skeptics
Anthropic also disclosed steep losses, highlighting the expense of developing increasingly powerful AI systems.
Anthropic filed confidentially for a listing, according to the SMH.
Anthropic filed for its IPO, and US stocks ended higher.
The Federal Reserve was due to announce its policy decision.
More than a third of S&P 500 companies were scheduled to report earnings, including Alphabet, Microsoft and Amazon.
- S&P 500
- Rose 0.70% on Monday, according to Economic Times.
- Nasdaq
- Rose 0.83% on Monday, according to Economic Times.
- Dow Jones Industrial Average
- Gained 0.28% on Monday, according to Economic Times.
- Anthropic
- Filed for an IPO; its filing showed steep losses and rapid revenue growth.
- Meta
- Planned to raise up to $95 billion for AI expansion, according to Economic Times.
- Tesla
- Reached its highest intraday level in more than three months after a Barclays upgrade.
9 sources
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What people are saying
Today's all about the Anthropic release, so we're back on a little bit of an optimistic tilt, I would say.
But there's a lot in that release. It will be interesting to see how well things are received when they actually come to list.