A Senior Vice-President at General American Investors Company (NYSE: GAM) recently increased their holdings in the company's preferred stock through an insider purchase. The Board of Directors declared a quarterly dividend of $0.37 per share for its 5.95% preferred stock, reinforcing its appeal as a steady income investment. General American Investors Company's common stock has demonstrated robust market performance, reaching a new 52-week high of $64.42 and showing significant growth.General American Inve ...