What US Q4 results told us about AI and the outlook for tech stocks

What US Q4 results told us about AI and the outlook for tech stocks

By Rachel Schlueter
Publication Date: 2026-03-06 00:00:00

Key insights

  • Morningstar analysts say positive fourth-quarter results show there’s plenty of room for AI trading, even as tech stocks lag.
  • Strong demand for AI products and infrastructure contributed to a surge in technology revenue, but questions remain as to how long that can last.
  • Software companies continue to see a mismatch between earnings growth and share price losses, and analysts are examining whether large-scale AI-related investments will deliver long-term returns.

Judging by tech stocks’ fourth-quarter earnings, the sector is doing well, and the artificial intelligence boom continues to drive growth. But those same reports, as well as recommendations from a number of major companies, have left investors with more questions than answers about the long-term viability of massive investments in AI.

The technology sector had a rocky start to the year, losing 5.56% after gaining 21.43% in 2025. Anthropic’s release of a new AI tool in February sent software stocks plummeting…