Arthur J. Gallagher & Co. Common Stock (NYSE:AJG)

Real-time price: | Most recent change:0.00%

Arthur J. Gallagher & Co., an international service provider, plans, designs, and administers a full array of customized, cost-effective property/casualty insurance & risk management programs, consulting services and third-party claims settlement in the U.S. and internationally. It also furnishes a broad range of risk management services including claims and information management, risk control consulting and appraisals to help corporations and institutions reduce their cost of risk. In addition, the company assists clients in all areas of their employee health/welfare and retirement plans, including plan design, funding and administration. It has operations in many countries and, through a network of correspondent brokers and consultants, Gallagher offers client-service capabilities in more than many countries around the world. Some of the company's offices are fully staffed with sales, marketing, claims, loss control and other specialists; some function as servicing offices for the various divisions....

+See More


Here we provide our AYA proprietary alpha stock signals for all premium members on our AYA fintech network platform. Specifically, a high Fama-French multi-factor dynamic conditional alpha suggests that the stock is likely to consistently outperform the broader stock market benchmarks such as S&P 500, Dow Jones, Nasdaq, Russell 3000, MSCI USA, and MSCI World etc. Since March 2023, our proprietary alpha stock signals retain U.S. Patent and Trademark Office (USPTO) fintech patent protection, approval, and accreditation for 20 years. Our homepage and blog articles provide more details on this proprietary alpha stock market investment model with robust long-term historical backtest evidence.

Sharpe-Lintner-Black CAPM alpha (Premium Members Only) Fama-French (1993) 3-factor alpha (Premium Members Only) Fama-French-Carhart 4-factor alpha (Premium Members Only) Fama-French (2015) 5-factor alpha (Premium Members Only) Fama-French-Carhart 6-factor alpha (Premium Members Only) Dynamic conditional 6-factor alpha (Premium Members Only) Last update: Saturday 10 October 2026

Blog+More

Platforms benefit from positive network effects, scale economies, and information cascades.

Rose Prince

2019-07-25 16:42:00 Thursday ET

Platforms benefit from positive network effects, scale economies, and information cascades.

Platforms benefit from positive network effects, scale economies, and information cascades. There are at least 2 major types of highly valuable platforms: i

+See More

Fed Chair Janet Yellen says the current high stock market valuation does not mean overvaluation.

Jonah Whanau

2017-12-11 08:42:00 Monday ET

 Fed Chair Janet Yellen says the current high stock market valuation does not mean overvaluation.

Fed Chair Janet Yellen says the current high stock market valuation does not mean overvaluation. A stock market quick fire sale would pose minimal risk to t

+See More

Uber seeks an IPO in close competition with its rideshare rival Lyft and other tech firms such as Slack, Pinterest, and Palantir.

Amy Hamilton

2019-03-13 12:35:00 Wednesday ET

Uber seeks an IPO in close competition with its rideshare rival Lyft and other tech firms such as Slack, Pinterest, and Palantir.

Uber seeks an IPO in close competition with its rideshare rival Lyft and other tech firms such as Slack, Pinterest, and Palantir. Uber expects to complete o

+See More

To secure better E.U. economic arrangements, Jeremy Corbyn encourages Labour legislators to back a second referendum on Brexit.

Olivia London

2019-06-17 11:25:00 Monday ET

To secure better E.U. economic arrangements, Jeremy Corbyn encourages Labour legislators to back a second referendum on Brexit.

To secure better economic arrangements with European Union, Jeremy Corbyn encourages Labour legislators to back a second referendum on Brexit. In recent tim

+See More

Thomas Piketty empirically shows that the top 1% cohort rakes in 20%+ of U.S. national income.

Daisy Harvey

2018-09-01 07:34:00 Saturday ET

Thomas Piketty empirically shows that the top 1% cohort rakes in 20%+ of U.S. national income.

As the French economist who studies global economic inequality in his recent book *Capital in the New Century*, Thomas Piketty co-authors with John Bates Cl

+See More

Stock Synopsis: With a new Python program, we use, adapt, apply, and leverage each of the mainstream Gemini Gen AI models to conduct this comprehensive fundamental analysis of Cisco Systems (U.S. stock symbol: $CSCO).

Joseph Corr

2025-10-07 10:30:00 Tuesday ET

Stock Synopsis: With a new Python program, we use, adapt, apply, and leverage each of the mainstream Gemini Gen AI models to conduct this comprehensive fundamental analysis of Cisco Systems (U.S. stock symbol: $CSCO).

Stock Synopsis: With a new Python program, we use, adapt, apply, and leverage each of the mainstream Gemini Gen AI models to conduct this comprehensive fund

+See More