Top Senate Democrats wrote an open letter asking President Donald Trump to rethink his decision to allow artificial intelligence chip sales to China. The deal allows chip giants Nvidia and AMD to sell advanced AI chips to China in exchange for a 15% cut of revenue from the sales.

Nvidia Corp. and Advanced Micro Devices Inc. agreed to pay 15% of their revenues from Chinese AI chip sales to the US government in a deal to secure export licenses, an unusual arrangement that may unnerve both US companies and Beijing.