Silver Has Biggest Three-Day Drop Since 1983

Silver had its biggest three-day drop since March 1983, crude oil tumbled to a two-week low and gold, copper and grains fell after money managers made near-record bets on high commodity prices in April. Silver plummeted 19 percent since April 29 as increases in Comex margin requirements drove investors away, and oil declined after a U.S. report showed supplies surged. A drop in a gauge of U.S.

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