New Delhi, July 25 -- Gold and silver exchange-traded funds (ETFs) have captured the imagination of investors with their stellar performance in recent months. While gold and silver ETFs have been riding high on the sharp rally in the prices of these commodities, another category in this space has also delivered strong returns.

Metal ETFs, which invest in a diversified range of companies engaged in the metals business, including steel, copper and aluminium, are among the best performers in the last one year. They have gained more than 32% on average in the one-year timeframe on a Compounded Annual Growth Rate (CAGR) basis, trailing only gold and silver ETFs in the performance chart. Here is a guide to metal ETFs, the reasons for their rec...