Bank of America thinks that the stock market’s “easy” leadership era is buckling, and it’s not because the economy is suddenly falling apart. In a Friday note reported by Business Insider, Michael Hartnett’s team argued that the early-2020s era, when Big Tech (and the Magnificent 7) could do no wrong, is over, and that it’s time to watch the market segments that actually look like the economy. A big part of that is that the AI boom is effectively dragging hyperscalers into a significantly heavier spendi ...