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? Amphastar Pharmaceuticals (AMPH) , which belongs to the Zacks Medical - Generic Drugs industry, could be a great candidate to consider.When looking at the last two reports, this specialty pharmaceutical company has recorded a strong streak of surpassing earnings estimates. The company has topped estimates by 18.11%, on average, in the last two quarters ...