Oil prices hit nine-month highs Friday and metals markets rallied on stronger trade data out of China and the United States, putting commodities up broadly for the first time in three days. Heating oil also rose as a powerful blizzard over the U.S. Northeast was expected to ramp up heating demand in the region. On the metals side, copper prices snapped a three-day decline. A softer dollar, a surge in Chinese imports and a sharper-than-expected