<p>Jensen Huang dismisses warnings from former Anthropic researcher and others as ‘doomsday narratives’</p><ul><li><p><a href="https://www.theguardian.com/business/live/2026/sep/21/asian-shares-rise-optimism-us-chinese-talks-trade-ai-oil-falls-live-updates">Business live – latest updates</a></p></li></ul><p>The boss of the chipmaker Nvidia has said AI will not develop to a point that will lead to the extinction of the human race within a few years, rejecting such assertions as overblown “doomsda