BEIJING -- The Chinese currency renminbi, or yuan, gained 55 basis points to $6.236 against the on Tuesday, according to the China Foreign Exchange Trading System.
In China's foreign exchange spot market, the yuan is allowed to rise or fall by 1 percent from the central parity rate each trading day.
The central parity rate of the yuan against the US dollar is based on a weighted average of prices before the opening of the market each business day.