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PMA neither loaded nor unloaded ships over the weekend, leaving yard and gate operations up to individual terminals.
Earnings were buoyed by a 50 percent increase in Maersk Line profit.
Freight brokerage and 3PL sees healthy gains in truckload and ocean segments, while profit for the year rises nearly 10 percent on $3.7 billion in total revenue.
Marine terminal officials agree that future contracts will require ongoing collaboration.
Maersk Line CEO Soren Skou told American Shipper container lines need to adapt to permanent overcapacity, and cited Maersk's network management as the primary driver of bumper profits in recent years.
Economist revised forecasts, predicting lower import growth and a second year of declines in exports.