The U.S. ITC has voted to continue the Commerce Department’s “self initiated” investigation of Chinese exports of common alloy aluminum sheet. That’s not a huge surprise, particularly given the importance of self initiated cases to the Trump administration’s more forceful trade policy. It may be complicated, however, by the broader section 232 review of the aluminum industry that is due to report shortly. The case was likely chosen for its simplicity. Chinese exports were priced at 88% the level of average U.S. imports, though they surged to 94% in November. Buyers are likely following a...