Posthaste: Worried about a market bubble? You ain't seen nothing yet, warns top BofA strategist

Posthaste: Worried about a market bubble? You ain't seen nothing yet, warns top BofA strategist

BofA strategist Michael Hartnett warns that IPOs from SpaceX, OpenAI, and Anthropic could push S&P 500 tech weighting to 48%, topping roaring '20s, Nifty 50, Japan '80s, and TMT '90s bubble peaks. A potential $3T IPO wave this year is the clearest signal yet to reassess AI-asset exposure and M&A timing assumptions.