The index is derived from data that for the most part have already been reported individually.

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Unlike other indexes such as the NYSE Arca Gold Mining Index, which actually includes several silver miners, over 95% of the revenues from the companies in the Solactive Index are derived from gold mining.

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Singapore, for example, is the center for trade in Japanese stock index futures, and it once tried - but failed - to launch a Hong Kong-derived product.

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