JPMorgan Chase CEO Jamie Dimon stood next to Anthropic CEO Dario Amodei in New York on Tuesday and told Wall Street the AI buildout is worth every dollar. Why it matters: With investors increasingly anxious about whether AI revenue can keep pace with spending, the head of the world's largest bank endorsed a capital expenditure wave projected to top $1 trillion next year. The latest Big Tech earnings reports last week made clear that the massive buildout is propping up not only the stock market,