Dollar hits eight-month high; stocks post weekly gain

The dollar rose to its highest since early February against a basket of currencies on Friday as investors increased bets on higher U.S. interest rates, while a measure of world stocks posted its first weekly gain in four weeks despite some soft U.S. corporate results. On Wall Street, energy and healthcare stocks weighed on the S&P 500 and Dow, but Microsoft touching an all-time high moved the Nasdaq to positive territory.