METALS-Copper drops on economy fears; central bank action eyed

* Copper eases as investors look to Jackson Hole later this week
* Traders report lift in Chinese spot copper demand
* U.S. home prices rise but consumer mood cools

By Chris Kelly and Harpreet Bhal
NEW YORK/LONDON, Aug 28 (Reuters) - Copper fell on Tuesday, hit by concerns
about the global economy and mixed U.S. economic data that did not convince
investors the Federal Reserve will unleash a new round of stimulus this week.
Fed Chairman Ben Bernanke is expected to keep marke

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