Delays in U.S. trade case decisions, at the behest of petitioners, are becoming increasingly common. In the two most recent examples, in aluminum foil and silicon metal, that may be in hope of a harsher outcome for exporters resulting from the current section 232 reviews of the aluminum and steel industries. In both cases this may prove expensive as the petitioners face continued, or even increased, competition. Chinese exports of aluminum foil increased 22% in the past quarter on a year earlier. Shipments of silicon metal from Australia, Brazil and Norway, where this was the second dela...