The Dow Jones-UBS Commodity Index increased 0.99% for August after investors turned to commodities as a safe haven for funds, ETF Express reports. The rise was propelled by Standard & Poor’s downgrading U.S. debt.

The highest gains were seen by coffee, corn and gold with month-end returns of 18.51 percent, 13.57 percent, and 12.29 percent, respectively. Orange juice, tin and nickel, which lost 17.48 percent, 13.28 percent, and 11.25 percent respectively, during the month, were the three most underperforming single-commodity indexes.

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