As I've established again and again, we are in an AI bubble, and no, I cannot tell you when the bubble will pop, because we're in the stupidest financial era since the great financial crisis — though, I hope, not quite as severe in its eventually apocalyptic circumstances.By the end of the year, Microsoft, Amazon, Google and Meta will have spent over $400bn in capital expenditures, much of it focused on building AI infrastructure, on top of $228.4bn in capital expenditures in 2024 and around $14...