Efforts by the Beijing-backed Semiconductor Manufacturing International Corporation, or SMIC, to break through innovation barriers have landed it in a geopolitical tech battle.

© Qilai Shen for The New York Times

Efforts by the Beijing-backed Semiconductor Manufacturing International Corporation, or SMIC, to break through innovation barriers have landed it in a geopolitical tech battle.

One of the hazards of buying individual stocks is that their current price may have little to do with their fundamental value, our columnist says.

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Nvidia chips, which are crucial to artificial intelligence, are traded actively in China, despite U.S. restrictions, The Times found.

Expectations for the chipmaker have been through the roof because of its dominance in a key component for artificial intelligence systems.

WeRide, a $5 billion software maker, is set for an I.P.O. amid geopolitical risks and a rush by Chinese automotive tech firms to raise money in the United States.

The Times found an active trade in Nvidia chips in China despite U.S. national security restrictions, as well as unreported incidents of how the technology had been used to further defense research.

The U.S. is trying to stop China from getting Nvidia microchips to advance its military. The private sector is fighting back.