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? Packaging Corp. (PKG) , which belongs to the Zacks Containers - Paper and Packaging industry, could be a great candidate to consider.This maker of containerboard and corrugated packaging products has an established record of topping earnings estimates, especially when looking at the previous two reports. The company boasts an average surprise for the p ...