NYSE Arca Biotechnology Index (BTK)

The NYSE Arca Biotechnology Index (BTK) is an equal dollar weighted index designed to measure the performance of publicly traded companies in the biotechnology industry that are primarily involved in the use of biological processes to develop products or provide services. Such processes include, but are not limited to, recombinant DNA technology, molecular biology, genetic engineering, monoclonal antibody-based technology, lipid/liposome technology, and genomics.

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NYSE Arca Gold Miners Index (GDM)

The NYSE Arca Gold Miners Index (GDM) is a rules-based index designed to measure the performance of highly capitalized companies in the Gold Mining industry.

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NYSE Arca Gold Bugs Index (HUI)

The NYSE Arca Gold Bugs Index (HUI) is a rules-based index designed to measure the performance of companies involved in the mining of gold ore but do not hedge their production beyond 1.5 years.

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