U.S. import prices rose more quickly than exports for a ninth month in April, adding further upward pressure to the trade deficit. Import prices increased 4.1%, 0.3% points quicker than expected, while export prices increased by 3.0%. Energy prices were the main driver, but non-fuel import price inflation has accelerated now for 15 of the past 17 months. When added to a 10% rise in seaborne imports, shown by Panjiva data, that suggests the total value of imports, due to be reported on May 25, could rise for a seventh straight month. Economists currently expect the deficit to rise to $...