These seven mid-cap stocks were the best performers in the last week. Are they in your portfolio? Coeur Mining, Inc. (NYSE:CDE) shares jumped 36.59%. The company reported positive throughput trends at the expanded Rochester Silver-Gold Mine in Nevada.Medical Properties Trust (NYSE:MPW) stock gained 32.85% last week after reaching a global settlement agreement that restored its control over its real estate and severed its relationship with Steward Health Care.New Gold Inc. (AMEX:NGD) shares were up 32.48%. The company provided an update on its ongoing Rainy River exploration program.RH (NYSE:RH…