First Majestic Silver (TSX:AG) just delivered an update that’s catching the attention of investors. The company announced a series of positive drilling results from its San Dimas Silver/Gold Mine. This is not just about hitting some decent numbers underground; it also involves expanding known mineralization and, importantly, upgrading part of its inferred resources to indicated resources. For anyone weighing the risk and reward here, that is a clear sign the mine’s future output is less of a...