Investors keep pouring cash into commodities, unaffected by the record prices, U.S. regulatory changes and the unusual structure of the oil market. In fact, in 2006 commodities are set to hit $3.5 billion, Reuters reports.

"Continuity is really the story here," said Matthew Schwab, managing director of AIG Financial Products Corp. "Over the first three months of the year, investors have continued to allocate funds at roughly the same pace that has prevailed over the past 12 months," he said.

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