Preliminary data from six major ports shows U.S. exports likely markedly underperformed imports in November. Container handling through Savannah, Ga. and its neighboring ports climbed 11.4% on a year earlier including a 17.3% surge in loaded containers. The latter was mostly the result of a 22.4% jump in shipments from China as importers sought to get ahead of tariff increases that have now been delayed. Exports by contrast fell 4.4%. That repeats a pattern seen in Texas, Virginia and California which when combined showed exports falling 5.5% on a year earlier – in part due to Chinese ta...