China Releases Kimi K3 AI Model; US Chip Stocks Drop Amid Concerns Over Global Competition

Moonshot, an Alibaba-backed startup in China, launched its new open-source AI model Kimi K3 with 2.8 trillion parameters, raising concerns about the sustainability of America's AI leadership and causing a sharp decline in U.S. chip stocks like NVIDIA (NVDA), AMD, and Broadcom (AVGO). The Philadelphia Semiconductor Index fell by 12.5% this week.

By Lockridge Okoth Sat, July 18, 2026 at 1:57 AM GMT+3 4 min read · Yahoo Finance ·

China Releases Kimi K3 AI Model; US Chip Stocks Drop Amid Concerns Over Global Competition

Tickers: $AMD $AVGO $BABA $NVDA $TSM

Topics: AI China-US tech competition semiconductors stock market reaction

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