The dollar edged down across the board on Wednesday, with investors cautious ahead of U.S. inflation data and minutes from the Federal Reserve that could signal whether the central bank is on track to raise interest rates next month. As an erratic Chinese stock market stoked fears about the stability of the world's second-largest economy, investors sought refuge in the safe-haven Swiss franc, which hit its highest level for almost two weeks against the euro. The dollar has surged by almost 20 percent against a basket of major currencies in the past year as expectations have grown that the Fed will become the first ... (full story)