Nov 13 (Reuters) - Amazon ( AMZN ) is joining Microsoft ( MSFT )

in backing legislation to further limit chipmaker

Nvidia's ( NVDA ) ability to export to China, the Wall Street

Journal reported on Thursday, citing people familiar with the

matter.

The legislation, known as the Gain AI act, is also backed by

AI startup Anthropic, the Journal said.

Reuters could not immediately verify the report.