Aflac Incorporated (AFL) is aided by a strong U.S. business, product launches and upgrades coupled with expanding cash reserves.AFL’s Zacks Rank & Price PerformanceAFL currently carries a Zacks Rank #2 (Buy).The stock has gained 44.2% in the past year compared with the industry’s 37.1% growth. The Finance sector and the S&P 500 composite index have risen 27.9% and 26.7%, respectively, in the same time frame. Image Source: Zacks Investment Research Robust Growth Prospects for Aflac StockThe Zacks Consensus E ...