Illumina stock heads into the open after an 8.87 percent gain

At the close on September 24, 2026, Illumina stock reached USD 273.90 after rising 8.87 percent, while the Nasdaq 100 was little changed. The session high was USD 273.90.

Illumina stock closed at USD 273.90 on the Nasdaq on September 24, 2026, up 8.87 percent from the previous session. The gain contrasted with the Nasdaq Composite, which rose 0.01 percent to 26,939.37, putting Illumina ahead by 8.86 percentage points.

September 24, 2026 in numbers

Illumina Inc. (ISIN US4523271090, Nasdaq: ILMN) reached a session high and close of USD 273.90 on the Nasdaq, according to Sharecast market data. The stock had previously closed at USD 255.38, while MarketBeat reported an intraday high of USD 267.30 during the session.

Sharecast ranked Illumina among the S&P 500 risers, alongside a wider technology and life sciences advance. The S&P 500 fell 0.02 percent to 7,704.13, leaving Illumina 8.89 percentage points ahead of the index.

September 25, 2026 before the open

US trading begins with the September 24 closing levels as the reference point. Sharecast reported that higher Treasury yields and a 3.8 percent rise in Brent crude to USD 107.04 a barrel shaped the broader market backdrop on September 24, 2026.