Aflac Incorporated (AFL), headquartered in Columbus, Georgia, provides supplemental health and life insurance products. Valued at $59.7 billion by market cap, AFL is the largest provider of supplemental insurance. Its products include accident and disability, cancer expense, short-term disability, sickness and hospital indemnity, hospital intensive care, and fixed-benefit dental plans. Shares of this leading supplemental insurer have outperformed the broader market considerably over the past year. AFL has gained 34.8% over this time frame, while the broader S&P 500 Index ($SPX) has rallied nea…