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Last update: Sep 1, 2026, 6:08 PM ET
Astera Labs, Inc. Common Stock
5.7% on Sep 1, 2026

Why Astera Labs, Inc. Common Stock (ALAB) Stock Fell 5.7% on Sep 1, 2026

Researched by BestStocks Market Desk · Published Sep 1, 2026
Prior close
$296.98
Sep 1, 2026 close
$279.91
Change
−$17.07
-5.75%
Rel. volume
0.7×
3.4M shares

What happened

Risk-5.7%high confidence

Astera Labs shares fell 6.06% to $278.97 amid a broad semiconductor selloff driven by rising long-term Treasury yields and a spike in oil prices, according to market sources. The Philadelphia Semiconductor Index declined significantly as macro pressures pushed investors away from richly valued AI infrastructure names. Volume of 1.45M shares (0.79x expected for this time of day) reflects normal intraday trading.

Source: fmp_intraday
What to watch next

ALAB earnings scheduled for November 3, 2026 (date unconfirmed); consensus EPS estimate $1.17. Monitor Treasury yield movements and semiconductor sector breadth for signs of stabilization.

Frequently asked questions

Why did Astera Labs, Inc. Common Stock (ALAB) stock fall on Sep 1, 2026?

Astera Labs shares fell 6.06% to $278.97 amid a broad semiconductor selloff driven by rising long-term Treasury yields and a spike in oil prices, according to market sources. The Philadelphia Semiconductor Index declined significantly as macro pressures pushed investors away from richly valued AI infrastructure names. Volume of 1.45M shares (0.79x expected for this time of day) reflects normal intraday trading.

How much did ALAB stock fall on Sep 1, 2026?

ALAB fell 5.7% during the Sep 1, 2026 trading session.

This is an archived analysis of ALAB's Sep 1, 2026 session.
See ALAB's latest changes →
Educational research tool — not personalized investment advice. Figures reflect the Sep 1, 2026 session as first analyzed.