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? Idexx Laboratories (IDXX) , which belongs to the Zacks Medical - Instruments industry, could be a great candidate to consider.This Animal diagnostic and health care company 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 8.3 ...