Key Points Astera Labs shares fell 10.1% by 2:20 p.m. ET on Sept. 14, 2026, after Anthropic CEO Dario Amodei and other AI leaders publicly called for slower frontier-model development. The decline outpaced the broader market -- the S&P 500 was down 0.3% and the Nasdaq Composite 0.1% over the same stretch. Astera supplies networking and connectivity hardware for AI data centers, so a slowdown in AI development directly threatens demand for its core product line. 10 stocks we like better than Astera Labs › Astera Labs (NASDAQ: ALAB) stock plunged on Monday after several key AI chiefs called for a slowdown in frontier-model development. As of 11:20 a.m. ET on Sept. 14, 2026, Astera shares were down 10.
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