Many investors are hesitant to buy individual commodities, but exchange-traded funds (ETFs) make this area accessible to a broader range of investors. Commodities can be a useful hedge against inflation, and they help diversify investment portfolios beyond more traditional stocks and bonds. Commodities such as silver and palladium also are seen as safe havens in times of market uncertainty. Thus, these ETFs offer a vehicle to gain exposure to one or more commodities while reducing the risk inherent in investing directly in a single one. Commodities, as represented by the S&P World Commodity Index, have ... (full story)