Alphabet Inc., US02079K3059

Alphabet stock falls 3.73 percent at the close

Published on 09/23/2026 at 22:29 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

At the close on September 23, 2026, Alphabet stock had fallen 3.73 percent on the Nasdaq as AI-sector rotation pressured large technology shares.

Aquarellmalerei eines modernen Tech-Firmencampus mit Glasgebäuden und Palmen
Aquarell eines generischen Tech-Campus im Mountain-View-Stil, Sinnbild für Alphabet Inc. (Class A), ISIN US02079K3059, Illustration mit AI erstellt.

Alphabet stock closed at USD 338.00 on the Nasdaq on September 23, 2026, down 3.73 percent from the previous session. The move followed a morning level of USD 337.82, when the shares were down 4 percent as reported by Yahoo Finance.

September 23, 2026 in numbers

Alphabet Inc. (ISIN US02079K3059, Nasdaq: GOOGL) opened at USD 351.16 and traded as low as USD 337.82 before finishing at USD 338.00. The Nasdaq Composite fell 1.06 percent to 26,955.52 on September 23, 2026, leaving Alphabet 2.67 percentage points behind the technology-heavy index.

The session reflected a rotation within large technology stocks toward rival artificial-intelligence names, according to TradingKey.

After the bell today

The U.S. extended session runs until 8:00 p.m. ET. The next U.S. trading session begins on September 24, 2026, with Alphabet shares carrying the regular-session loss into the evening after a USD 13.16 decline from the September 22 close.

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