Have you been searching for a stock that might be well-positioned to maintain its earnings-beat streak in its upcoming report? It is worth considering Iamgold (IAG) , which belongs to the Zacks Mining - Gold industry.This gold and niobium mining 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 325%.For the most recent quarter, Iamgold was expected to post earnings of $0.02 ...