Sept 17 (Reuters) - China's internet regulator has

instructed the nation's biggest technology firms to stop buying

all of Nvidia's ( NVDA ) artificial intelligence chips and

terminate their existing orders, the Financial Times reported on

Wednesday.

The Cyberspace Administration of China (CAC) directed

companies including ByteDance and Alibaba ( BABA ) this week to

terminate their testing and orders of the RTX Pro 6000D, the

report said, citing three people with knowledge of the matter.

Reuters couldn't immediately verify the report.

(Reporting by Kanjyik Ghosh in Barcelona;)