The Chinese currency Renminbi, or the yuan,strengthened 40 basis points to hit 6.4846 per U.S. dollar on Friday

 The Chinese currency Renminbi, or the yuan,strengthened 40 basis points to hit 6.4846 per U.S. dollar on Friday, according to the China Foreign Exchange Trading system.

The yuan's central parity rate reached an all-time high of 6.4837 per U.S. dollar on Wednesday.

On China's foreign exchange spot market, the yuan can rise or fall 0.5 percent from the central parity rate each trading day.

The central parity rate of the RMB against the U.S. dollar is based on a weighted average of prices before the opening of the market each business day.

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