On September 14, STMicroelectronics NV fell 7.11% in regular trading, trading at $48.32/share, with turnover of $68.9818 million, leading declines among major semiconductor names.

On the news front, Anthropic CEO Dario Amodei published an article on September 12 calling on the industry to slow the pace of frontier AI model development, sparking widespread investor concern. The call was echoed by prominent tech figures including Sam Altman, Elon Musk, and Satya Nadella. Bernstein analyst Stacy Rasgon noted the development would likely further weigh on semiconductor sector sentiment. The broad selloff hit the sector hard, with Micron Technology down 7.17%, Intel down 6.03%, Advanced Micro Devices down 5.69%, Broadcom down 3.8%, and NVIDIA down 3.44%.

While STMicroelectronics NV simultaneously announced the launch of its new 1.1-megapixel automotive in-cabin infrared image sensor, the ST SafeSense VD56GA, targeting cost reduction for mass-market vehicle driver and occupant monitoring systems with cumulative SafeSense series shipments exceeding 10 million units, the product news failed to offset the sector-wide downdraft.

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