Import volume at the nation's major retail container ports is expected to increase 6.1 percent in April, according to the monthly Global Port Tracker report released by the National Retail Federation and Hackett Associates.

Import volume at the nation's major retail container ports is expected to increase 1.1 percent in June over the same month last year, reflecting modest growth expectations as retailers head toward the back-to-school and holiday seasons, according to the monthly Global Port Tracker report released today by the National Retail Federation and Hackett Associates.