Charles River Labs, US1591881009

Charles River Labs stock rises 2.19 percent ahead of the open

Published on 09/23/2026 at 02:00 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

At the close on September 22, 2026, Charles River Labs stock reached USD 285.11, while the S&P 500 finished at 7,764.64. The next US session has not started.

Moderner CRO-Forschungscampus mit Glasfassade in Wilmington Massachusetts
Charles River Laboratories Forschungscampus in Wilmington Massachusetts, modernes Glaslaborgebäude, ISIN US1591881009, Außenansicht, Illustration mit AI erstellt.

Charles River Labs stock closed at USD 285.11 on the Nasdaq on September 22, 2026, gaining 2.19 percent. The shares outperformed Labcorp, which fell 2.94 percent, and Quest Diagnostics, which declined 4.13 percent, in the same session.

September 22, 2026 in numbers

Charles River Laboratories International, Inc. (ISIN US1591881009, Nasdaq: CRL) added USD 6.12 from the prior close to reach USD 285.11. MarketWatch reported the Charles River move alongside a mixed session for US equities. The S&P 500 ended at 7,764.64, down 0.06 points, while the Nasdaq Composite rose 0.5 percent to 27,244.28 on September 22, 2026.

Today before the open

The next US trading session begins after this pre-market article. The September 22 comparison placed Charles River ahead of Labcorp by 5.13 percentage points and ahead of Quest Diagnostics by 6.32 percentage points. Market data also showed the Nasdaq Composite at a record close of 27,244.28 on September 22, 2026.

Disclaimer...

en | US1591881009 | CHARLES RIVER LABS | boerse | 70160684 | bgmi