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Shares of Aon PLC (AON) rose 1.46% to $314.49 Thursday, on what proved to be an all-around poor trading session for the stock market, with the S&amp;P 500 Index falling 1.57% to 6,832.76 and Dow Jones Industrial Average falling 1.34% to 49,451.98.
Aon PLC closed 23.85% below its 52-week high of $412.97, which the company achieved on March 3rd.
The stock outperformed some of its competitors Thursday, as Marsh (MRSH) rose 0.19% to $173.33, MetLife Inc. (MET) fell 1.94% to $77.36, and Arthur J. Gallagher &amp; Co. (AJG) fell 0.25% to $204.79.
Trading volume (2.8 M) eclipsed its 50-day average volume of 1.2 M.
Data source: Dow Jones Market Data, FactSet. Data compiled February 12, 2026.
This content was created by MarketWatch, which is operated by Dow Jones &amp; Co. MarketWatch is published independently from Dow Jones Newswires and The Wall Street Journal.
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02-12-26 1647ET

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Aon PLC (AON) shares rose 1.46% to $314.49 on a weak trading day for the stock market, outperforming competitors like Marsh (MRSH) and MetLife Inc. (MET). The S&P 500 Index fell 1.57%, while Aon remains 23.85% below its 52-week high of $412.97. Trading volume reached 2.8 million, surpassing its 50-day average of 1.2 million.

- Aon PLC shares rose 1.46% to $314.49 amidst a decline in the broader stock market, with the S&P 500 and Dow Jones falling by 1.57% and 1.34%, respectively.  
- Aon's stock ended 23.85% below its 52-week high of $412.97, while trading volume reached 2.8 million, surpassing its 50-day average of 1.2 million.  
- In comparison to competitors, Aon outperformed Marsh, which increased slightly, while MetLife and Arthur J. Gallagher saw declines.

Aon PLC Stock Outperforms Competitors On Strong Trading Day