Warren Buffett is retiring as CEO of Berkshire Hathaway at age 95, ending a 55-year run that reshaped how generations of Americans think about investing. “The 95-year-old, often referred to as the ‘Oracle of Omaha’ and the ‘billionaire next door,’ will relinquish the title after a career that saw him turn a failing textile firm into one of the most successful asset managers in the world,” reports NBC News. From the report: Greg Abel, the 63-year-old lesser-known CEO of…