Yuan strengthens

Reuters
Shanghai
China´s yuan inched up against the U.S. dollar on Friday, supported by a slide in the greenback and on track for its best week in a month, though gains were capped by rising corporate dollar demand.
The dollar slipped after a Wall Street Journal report said investigators into possible Russian interference in the 2016 U.S. presidential election issued a subpoena to campaign officials last month.
In addition to the political headlines, traders said progress around U.S. tax reforms remains a primary risk for the currency.
The global dollar index, a gauge that measures the unit´s strength against six other currencies, fell to 93.6 from the previous close of 93.932.
Prior to the market opening on Friday, the People´s Bank of China set its midpoint rate at 6.6277 per dollar, 9 pips firmer than the previous fix of 6.6286 on Thursday.