Leaders at Microsoft and Meta told investors that China’s DeepSeek doesn’t harm their businesses and that they will still spend billions on AI data centers.

The selloff​ extended to shares of natural-gas producers, pipeline operators, mining companies​, and electricity generators.

Key Takeaways The stocks of software companies such as Salesforce have soared this week on hopes that Chinese start-up DeepSeek's cost-efficient AI model could make AI applications significantly less expensive to develop and run.