Commodities - silver, crude oil, bushels of wheat and gold, to name a few - have been sizzling for about a year, with gold now nearing $600 an ounce. However, some mutual funds that track commodity prices are not doing nearly as well, according to The Wall Street Journal.

Over the past year or so, investors have been bearish when it comes to funds like these, because of the global boom in commodities. Rather than trade in the actual goods, these funds track prices through complex financial agreements known as derivatives. But derivatives are thorny, and investors are beginning to see why.

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