NRF: Container Imports at Top US Ports Spike Ahead of New Tariffs 11 December 2019 Volumes at the US major container ports surged in November as retailers imported merchandise ahead of new tariffs.Author: Capt. Johnhttps://worldmaritimenews.com/archives/287838/nrf-container-imports-at-top-us-ports-spike-ahead-of-new-tariffs/