Reuters and the Financial Times reported the development today. Earlier, sources told The Information that the U.S. Commerce Department is investigating whether TSMC has made artificial intelligence or smartphone chips for Shenzen-based Huawei Technologies Co. Huawei was placed on a U.S. trade restriction list in 2019.

Taiwan Semiconductor Manufacturing Company notified the U.S. a couple of weeks ago that one of its chips had been found in a Huawei device after a teardown by the tech research firm TechInsights, according to a person familiar with the matter.

TSMC has advised the U.S. that there was an attempt by Huawei to violate sanctions against China restricting the export of AI chips to China, as the probe that could affect Apple chip production rolls on.

The newest artificial intelligence (AI) chip stock in the $1 trillion club is Taiwan Semiconductor Manufacturing Company ( TSM -2.46%). Here's why $1 trillion may be just a milestone in the stock's continued ascension into the ranks of the mega-caps.

Chip investors should be discerning about which stocks to buy ahead of earnings season—not all semiconductor companies are performing well, according to Susquehanna. On Monday, analyst Christopher Rolland reiterated his positive ratings for Nvidia,

Nvidia shares hit a new all-time high on Monday. Nvidia shares are up over 186% since the start of the year and have increased more than ninefold since the beginning of 2023.