Via AG Metal Miner The December Renewables MMI (Monthly MetalMiner Index) traded sideways, practically in a straight line. Overall, metal prices within the index only dropped 0.83%. This sideways trend contrasts sharply with the steep drop renewables saw just six months ago. Battery metals within the index, such as cobalt and silicon, held a steady sideways trend, only rising or dropping slightly. However, steel plate dropped both domestically and globally, with the only exception being Japanese steel plate. In general, the index appears pushed…