FOREX-Dollar firms, euro cracks under rates pressure

* Australian dollar rises on surprisingly high core inflation The dollar index, which tracks the greenback against a basket of six major rivals, was steady on the day at 80.773, not far from a Tuesday high of 80.837 touched on expectations that higher U.S. interest rates are on the horizon. Data issued on Tuesday showed U.S. inflation was 0.3 percent in June, in line with most analysts ...