Investors are seeking a new benchmark for commodities that excludes prices from US markets in response to a regulatory clampdown in Washington.
The company behind the world's largest commodity index is working on such a benchmark, in a move that could threaten trading volumes on New York and Chicago's commodities exchanges.
Investors use such indices as a benchmark for their investment strategies, assigning billions of dollars to funds and portfolios that track them. About $60bn track the biggest of them, the S&P GSCI index.
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