Fortinet Inc., US34959E1091

Fortinet Inc. stock rises 2.7 percent ahead of the open

Published on 09/22/2026 at 07:13 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

At the close on September 21, 2026, Fortinet Inc. stock reached USD 172.78 after touching USD 175.23, while the Nasdaq Composite gained 2.26 percent.

Architekturvisualisierung eines modernen Technologiecampus mit Glasfassaden und Landschaftspark
Fortinet Inc. moderner Glasfassaden Campus als architektonisches Render mit Landschaft für ISIN US34959E1091, Illustration mit AI erstellt.

Fortinet Inc. stock closed at USD 172.78 on the Nasdaq on September 21, 2026, up 2.67 percent. The gain came as the Nasdaq Composite rose 2.26 percent to 27,122.09, leaving Fortinet ahead by 0.41 percentage points.

September 21, 2026 in numbers

Fortinet Inc. (ISIN US34959E1091) traded as high as USD 175.23 on September 21, 2026, setting a fresh 52-week high, before closing at USD 172.78. The stock's 52-week range stood at USD 75.23 to USD 175.23, placing the close USD 2.45 below the high.

Cybersecurity shares were highlighted in a September 21, 2026 market report from CNBC, which placed Fortinet among stocks trading near the upper end of a USD 150 to USD 175 range. The broader market also advanced, with the S&P 500 closing at 7,764.76, up 1.49 percent.

Today before the open

US exchanges are scheduled to begin the September 22, 2026 session after the Nasdaq Composite reached a record close of 27,122.09 in the prior session. Fortinet remains near its September 21, 2026 52-week high of USD 175.23.

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