# US tech stocks slide sharply on worries over AI spending costs

US technology shares fell sharply as investors grew concerned about the cost of building and running artificial intelligence systems. The sell-off hit major tech companies, reflecting fears that heavy AI investment may not yet translate into profits. The moves matter because tech stocks carry heavy weight in US indexes and can affect global markets.

**Importance:** 3/5

## Sources

### Business
- [BBC Business](https://www.bbc.co.uk/news/articles/cvwy72e0n72yo?at_medium=RSS&at_campaign=rss) — Fri, 30 Oct 2026 14:50:37 GMT

### Technology
- [Hacker News](https://www.bbc.co.uk/news/articles/cvwy72e0n72yo) — Fri, 30 Oct 2026 16:13:02 +0000