ON Semiconductor stock heads into the open after a 2.3 percent gain
Published on 09/23/2026 at 03:09 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS
ON Semiconductor stock closed at USD 71.72 on the Nasdaq on September 21, 2026, gaining 2.3 percent. The shares rose as the Nasdaq Composite reached 27,225.39 points, up 0.38 percent, while semiconductor stocks benefited from renewed artificial intelligence optimism.
September 21, 2026 in numbers
ON Semiconductor Corporation (ISIN US6821891035) opened at USD 71.00 and traded between USD 68.17 and USD 72.05 on September 21, 2026. Volume reached 12,337,996 shares, according to the company stock information page, with the figures sourced from LSEG.
The Nasdaq Composite added 0.38 percent to 27,225.39 points in the same session. Reuters reported on September 22, 2026, that technology stocks regained ground as falling oil prices supported risk appetite and renewed artificial intelligence demand lifted chip shares.
Market backdrop for today
The Nasdaq Composite is the relevant market reference for ON Semiconductor because both the company and the index trade in the US technology market. Reuters reported on September 22, 2026, that the Nasdaq reached an intraday record as technology stocks recovered and the Philadelphia Semiconductor Index climbed to a more than one-month high.
