# GSK shares fall sharply on weaker sales and rising costs

GSK shares dropped after the drugmaker reported weaker sales and mounting costs, unsettling investors. The decline highlights concerns about the company’s profitability and near-term outlook.

**Importance:** 3/5

## Sources

### World
- [The Guardian World](https://www.theguardian.com/business/2026/oct/28/gsk-shares-dive-as-weaker-sales-and-mounting-costs-unnerve-investors) — Wed, 28 Oct 2026 12:44:37 GMT