AI Stocks Tumble 8% After CEOs Warn on Rapid Growth Risks

- Industry leaders’ calls to slow AI spark steep rout in global tech markets - Major chipmakers including SK Hynix, Samsung, and ASML among biggest losers On September 14, 2026, The Guardian reported that public calls to slow artificial intelligence development from the CEOs of Anthropic, OpenAI, and xAI triggered a sharp global rout in tech markets. According to The Guardian on September 14, 2026, the joint statement included Dario Amodei of Anthropic, Sam Altman of OpenAI, and Elon Musk of xAI, while Satya Nadella of Microsoft and Demis Hassabis of DeepMind echoed the message. The executives highlighted mounting risks from unchecked AI progress and, as a result, ignited widespread investor concern. Shares of major firms in Asia and Europe fell steeply as investors reevaluated prospects for the sector. According to The Guardian on September 14, 2026, hardware and memory manufacturers faced some of the largest drops, as SK Hynix and Samsung Electronics slid over 6% and 4%, respectively; SoftBank dropped 10%; TSMC slipped 1.2%; and Europe’s ASML lost more than 4%. Analysts cited deepening uncertainty around sustainable AI-driven demand forecasts, and they also warned of possible credit downgrades for highly leveraged chip and data-center companies. The direct industry appeal for moderation, rather than regulatory intervention, therefore heightened market anxiety. In addition, other stressors compounded this reaction, including rising oil prices and escalating Middle East geopolitical tensions. Despite the coordinated call from top executives, analysts noted that fierce competition for AI leadership among corporations and countries is likely to persist, and they cast doubt on any near-term slowdown in the sector.