An advertisement of China's renminbi (RMB) is displayed on the window of a bank in Hong Kong January 31, 2008. The RMB hit a new high against the U.S. dollar on Thursday, as China has allowed for a quicker rise in the value of its currency and it should continue this adjustment while pursuing broader reforms to reduce its dependence on exports, a senior U.S. Treasury official said January 30, 2008. (Reuters Photo / Bobby Yip )

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