The Wall Street Journal on Tuesday reported that the Biden administration was considering new restrictions on exporting AI chips to China. The possible rule tightening would hardest hit Nvidia, whose strong position in the AI chip market helped make it worth $1 trillion earlier this year. The current rule around AI chips involves two restrictions. One restriction focuses on how fast chips can communicate with each other, which is important because AI systems such as ChatGPT require thousands of chips to be chained together. The other restriction focuses on how much computing power the chip can have.

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Persons: Florence Lo, Biden, Colette Kress, Nvidia's Kress, Stephen Nellis, Karen Freifeld, Kenneth Li, Chris Sanders, Nick Zieminski Organizations: REUTERS, U.S . Commerce, Nvidia, Nvidia Corp, Devices Inc, Intel Corp, Reuters, Tencent Holdings, Intel, AMD, Thomson Locations: of China, U.S, China, HK, San Francisco, New York