AI-Linked Stocks Fall at U.S. Open as Astera Labs Drops 3.98%

Enna Lee

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AI-Linked Stocks Fall at U.S. Open as Astera Labs Drops 3.98%

Micron, Teradyne, Arm and Super Micro Computer also declined, while the Dow and S&P 500 opened higher Monday.

By Enna Lee

Published Oct 12, 2026, 9:37 AM EDT

Semiconductor chip package beside a brass market bell / TokenPost.ai

AI-linked stocks moved lower at the U.S. market open Monday, led by a 3.98% decline in Astera Labs as trading across major indexes remained mixed.

Astera Labs fell at 9:31 a.m. EDT (13:31 UTC). Micron declined 3.92%, Teradyne dropped 3.15%, Arm fell 2.73% and Super Micro Computer slipped 2.5%.

The broader U.S. market opened in different directions. The Dow Jones Industrial Average rose 0.28%, while the S&P 500 gained 0.1%. The Nasdaq Composite edged down 0.03%.

The Cboe Volatility Index, a measure of expected stock-market volatility, rose 3.98% at the open.

Enna Lee

Reporter

Enna Lee reports on investing and digital-asset markets for TokenPost. Send corrections or tips to info@tokenpost.com.