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Earnings were buoyed by a 50 percent increase in Maersk Line profit.
PMA neither loaded nor unloaded ships over the weekend, leaving yard and gate operations up to individual terminals.
Move comes as ILWU, PMA talks enter 10th month.
On-time performance is being hampered by congestion at West Coast ports.
DHS funding crisis means the agency will have to focus resources on border security, cargo clearance
The revised agreement would allow collaboration on congestion, transportation infrastructure needs and pollution mitigation.