Copper tumbles to 7-month low as metals fall

Copper dropped to the lowest level in more than seven months as manufacturing in China and the US, the biggest users, grew less than forecast. Aluminum declined to the cheapest since October as metals fell. The copper contract for three-month delivery lost as much as 1.3 percent to $7,440 a metric ton on the London Metal Exchange, the lowest price since Aug 21. Aluminum slid as much as 0.6 percent to $1,893 a ton, the lowest since Oct 30. The bourse was closed on Monday and on March 29 for public holidays.

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