Shares of Arthur J. Gallagher & Co. (AJG) have gained 14.7% year to date, compared with the industry’s increase of 10.2%, the Finance sector’s rise of 5.8% and the Zacks S&P 500 composite’s gain of 12.1%. With a market capitalization of $56.3 billion, the average volume of shares traded in the last three months was 0.8 million.Continued strong performance of its Brokerage and Risk Management segments, strategic buyouts to capitalize on growing market opportunities and effective capital deployment should con ...