What bubble? JPMorgan says the $5.5 trillion AI capex explosion is profitable—for now | Fortune

J.P. Morgan sees a pile of red flags in the AI market

J.P. Morgan warns that there are "signs of investor exuberance" in AI markets. Just 42 AI companies in the S&P 500 account for 65 to 80 percent of the index's total profits. The semiconductor rally is flashing technical…