Looking for a stock that has been consistently beating earnings estimates and might be well positioned to keep the streak alive in its next quarterly report? Aflac (AFL) , which belongs to the Zacks Insurance - Accident and Health industry, could be a great candidate to consider.When looking at the last two reports, this insurer has recorded a strong streak of surpassing earnings estimates. The company has topped estimates by 10.08%, on average, in the last two quarters.For the most recent quarter, Aflac wa ...