Key Takeaways
- The Nasdaq Composite slid 1.3%, while the Dow lost approximately 256 points and the S&P 500 decreased 0.8% during Monday’s trading session
- Dario Amodei, CEO of Anthropic, released an extensive 3,800-word piece advocating for reduced speed in artificial intelligence advancement worldwide
- Sam Altman from OpenAI and Elon Musk expressed support for Amodei’s stance on AI development
- OpenAI has postponed its public offering until 2027 citing AI safety issues; Anthropic maintains its plan for a Nasdaq listing this autumn
- Crude oil climbed toward $108 per barrel following Saudi Arabia’s closure of a major pipeline, intensifying market concerns
US tech stocks experienced significant declines Monday following unprecedented calls from leading artificial intelligence executives to decelerate the industry’s development trajectory. The unexpected announcement surprised investors and triggered widespread selling in semiconductor equities.
The Nasdaq Composite index declined 1.3%. Meanwhile, the S&P 500 retreated 0.8%, and the Dow Jones Industrial Average shed approximately 256 points, representing a 0.49% decrease.

Over the weekend, Anthropic’s CEO Dario Amodei released an extensive 3,800-word essay. Within the piece, he contended that artificial intelligence firms must reduce the velocity at which they enhance their systems to allow adequate time for addressing safety challenges.
“We must slow the pace at which we improve the capabilities of AI models,” Amodei wrote. He added that progress would still look fast, and that the time gained should be used wisely.
OpenAI’s CEO Sam Altman expressed agreement with Amodei’s perspective through a statement on X, the social media platform. Elon Musk similarly endorsed the position. This unified stance among prominent industry figures conflicted with prevailing market sentiment.
Safety Discussion Undermines Market Sentiment
Investors had anticipated continued rapid advancement in artificial intelligence technology. The advocacy for deceleration sparked uncertainty regarding the timeline for AI company expenditures on infrastructure, semiconductors, and computing facilities.
Semiconductor manufacturers experienced pronounced declines. Nvidia shares dropped amid the wider technology sector retreat. Throughout Asian markets, Samsung declined more than 4%, while SK Hynix similarly posted losses.
Some market experts maintained a measured perspective. Jeffrey Favuzza, who serves as senior vice president at Jefferies, indicated no definitive evidence suggested capital expenditures would actually decrease. He emphasized that Amodei’s essay didn’t propose stopping model development entirely.
Jordan Klein, an analyst at Mizuho, advised clients against overreacting, emphasizing that “actions speak louder than words.” He distinguished between publishing commentary and implementing actual budget reductions.
Public Offering Schedules and Energy Markets Compound Concerns
The developments also influenced initial public offering schedules. Altman informed Fortune magazine that OpenAI is delaying its market debut to 2027 because of AI safety considerations. Conversely, Anthropic continues targeting an autumn listing and has allegedly selected the Nasdaq for its exchange.
Energy markets contributed additional stress Monday. Brent crude approached $108 per barrel after Saudi Arabia closed a critical pipeline. Persistent Middle Eastern tensions continued elevating energy costs.
Market participants are now focused on the Federal Reserve’s upcoming decision. Probability of interest rate increases rose to 88% after Friday’s inflation figures. Fed Chairman Kevin Warsh indicated he wouldn’t provide advance policy signals before Wednesday’s scheduled meeting.
Investors are currently adopting a wait-and-see approach amid mounting uncertainty.





