LONDON, Aug. 28 (UPI)?ÛÓ The U.S. dollar moved fractionally higher in world money markets today, partly reflecting higher interest rates in the United States and Japan but mostly continuing the dollar?Ûªs general upward trend.</br></br>Dealers and traders tended to discount specific causes for the reversal of Monday?Ûªs slight dollar slide.</br></br>?ÛÏThe fluctuations in August have little to do with the underlying trend, which is a gradual improvement of the dollar,?Û? said a Paris banker in a typical comment.</br></br>But the higher American and Japanese interest rates helped price the dollar upward in every market. The price of gold also rose slightly.</br></br>The dollar closed higher on both branches of the Paris market?ÛÓat 4.40 francs for the financial dollar tourists use and at 4.35 francs for the official commercial dollar.