The MSCI World Materials TRN Index aims to mirror the investment performance of a specific market segment. This segment encompasses major and medium-sized corporations within the Materials sector, classified according to the Global Industry Classification Standard (GICS), across developed economies worldwide. Companies are weighted based on their free-float adjusted market capitalization. The index's composition is re-evaluated and adjusted quarterly. Further information on the index's construction, selection criteria, and weighting methodology is available at https://www.msci.com.