Americans are being hit by rising inflation and the subsequent explosion in commodity prices where it hurts mostâ"at gas stations and grocery stores. Right alongside this growth have been the opportunities available to investors to hedge these rising prices by way of exchange traded funds (ETFs). A barrel of oil now sells for $133, which means youâre paying around $3.80 for a gallon of gas. That gallon of milk you bought for $3.87 a few days ago sold for $3.20 in 2006; and the price for a doz