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Move comes as ILWU, PMA talks enter 10th month.
PMA neither loaded nor unloaded ships over the weekend, leaving yard and gate operations up to individual terminals.
PMA said ships will not load or unload cargo Thursday, Saturday, Sunday or Monday due to continuing ILWU slowdowns.
Congress passed a 7-day extension to keep the department running while negotiations over immigration dispute continue.
Texas’s exports reached $289 billion and California topped $174.1 billion in export value for 2014.
Economy grew at 2.2% pace, government says.