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 seen a nice streak of beating earnings estimates, especially when looking at the previous two reports. The average surprise for the last two quarters was ...