Tumbling stocks point to AI fragility Barclays’ analysts find evidence of productivity gains from AI adoption “unconvincing”, fuelling fears of a bubble, amid doubts the infrastructure spend will pay off and circular investments that could magnify losses CIRCULAR FINANCING Nvidia shares fall on reports of $250bn investment in OpenAI data centre Investment Hardware Services Market capitalisation Nvidia $4.8 trillion Google $4.0tn Microsoft $2.9tn Amazon $2.5tn Broadcom $1.8tn SpaceX $1.5tn Anthropic $965bn OpenAI $852bn AMD $807bn Intel $462bn Oracle $345bn AI startups Nvidia invests in a number of companies that rely on its hardware Sources: Bloomberg, BBC, ResultSense © GRAPHIC NEWS