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? Casey's General Stores (CASY) , which belongs to the Zacks Retail - Convenience Stores industry, could be a great candidate to consider.This convenience store chain has an established record of topping earnings estimates, especially when looking at the previous two reports. The company boasts an average surprise for the past two quarters of 21.78%.For ...