If you are looking for a stock that has a solid history of beating earnings estimates and is in a good position to maintain the trend in its next quarterly report, you should consider Amphastar Pharmaceuticals (AMPH) . This company, which is in the Zacks Medical - Generic Drugs industry, shows potential for another earnings beat.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 27.79% ...