Infineon, DE0006231004

Infineon stock heads into the open after a 4.35 percent gain

Published on 09/22/2026 at 06:34 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

At the close on September 21, 2026, Infineon stock reached EUR 58.29 after trading between EUR 56.78 and EUR 58.29. The DAX gained 1.07 percent in the same Xetra session.

Reinraumtechniker im Bunny-Suit an Lithografieanlage, Schwarzweiß
Schwarzweiße Reportagefotografie eines Reinraumtechnikers im Bunny-Suit an einer Lithografieanlage – dokumentarisch wie in den Fertigungsstätten von Infineon Technologies AG (ISIN DE0006231004) zu finden, die auf Halbleiter-Mikroelektronik spezialisiert sind, Illustration mit AI erstellt.

Infineon stock closed at EUR 58.29 on Xetra on September 21, 2026, gaining 4.35 percent. The shares outperformed the DAX, which rose 1.07 percent in the same session.

September 21, 2026 in numbers

Infineon Technologies AG (ISIN DE0006231004) traded between EUR 56.78 and EUR 58.29 and ended at the session high. Xetra volume reached 3,974,035 shares, compared with an average volume of 4,268,381 shares.

As Borsa Italiana reported on September 21, 2026, Infineon rose 4.35 percent amid a broader European equity advance linked to oil-price relief and hopes for a Trump-Xi summit.

Market signals for today

Infineon enters the September 22, 2026 session after the Nasdaq Composite gained 2.26 percent and the Philadelphia Semiconductor Index advanced 4.29 percent on September 21, 2026. The semiconductor-sector move provides the clearest market reference for Infineon ahead of the European session.

US exchanges have not opened on September 22, 2026, so no US session price or reaction is included.

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