The Total 3D-Printing Index attempts to track the price movements of stocks of companies involved in the 3D Printing industry. The Index is composed of equity securities and depositary receipts of exchange listed companies from the U.S., non-U.S. developed markets and Taiwan that are engaged in 3D printing related businesses within the following business lines: (i) 3D printing hardware, (ii) computer aided design and 3D printing simulation software, (iii) 3D printing centers, (iv) scanning and measurement, and (v) 3D printing materials. The index is a total return index calculated in USD, and rebalanced quarterly.