Key Takeaways The stock market defied expectations again this year. One Wall Street analyst is telling investors not to expect it to happen in 2026. Subramanian on Monday said "buy-the-dream" AI stocks are "maybe headed for a little bit of an air pocket.†The AI trade has been pressured recently by concerns that tech companies are spending too much on a technology with uncertain commercial potential. Subramanian acknowledged similarities between today's market and the Dotcom Bubble of the 1990s, but noted th ...