The dollar continues to weaken against the yen as investors expect the Fed remains cautious and do not quickly raise interest rates. Market participants and Tokyo analysts believe that the bearish trend of the greenback has been supported by investors' own choices that have continued to bet on an attitude dove from the Fed. In addition, the new recent fall in oil prices and the decline in Japanese dell'azionario (Nikkei -0.3%) have affected the market sentiment, driving up the yen demand. Last w…