Renewables Monthly Metals Index (MMI) dipped by 0.8% for this month’s index reading. The MetalMiner Best Practice Library offers a wealth of knowledge and tips to help buyers stay on top of metals markets and buying strategies. (Editor’s note: This report also includes the MMI for grain-oriented electrical steel, or GOES.) Cobalt price falls Earlier this year, the LME cobalt price surged as high as nearly $53,000 per metric ton. As Stuart Burns noted last month, battery demand helped drive up the cobalt price in the first quarter. However, the second quarter has been a different ballgame. The LME cobalt price closed Monday at $42,500 per metric ton, or down approximately 20%.