Via Metal Miner The Renewables MMI (Monthly Metals Index) remains volatile, especially when it comes to EV battery technology. Starting in August, the index experienced sharp up-and-down movements from month to month. Indeed, between October 1 and November 1, the index dropped 4.22%. Most index components, including grain-oriented electrical steel, dropped, with only a few managing to move sideways. Cobalt proved the only outlier in the entire index, shooting up 11.85%. That said, this price rise follows the normal seasonal demand boost for cobalt,…