The U.S. ITC received just six trade infraction complaints in December with no anti-dumping / subsidy petitions filed. The U.S. Trade Representative has filed for an investigation into imports of cucumbers, gherkins and squash due to concerns about the impact of seasonal supplies on U.S. producers. That follows a similar investigation into berries and peppers launched in November. U.S. imports of the three products are dominated by Mexico which represented 77.2% of imports in the 12 months to Oct. 31 with a peak in the first five months of the year. Should the ITC review lead to an asses...