Why Alcoa, Century Aluminum, and Tronox Stocks Jumped at Least 10% Today

Metal-maker stocks exploded higher on Wednesday, with shares of aluminum producers Alcoa (NYSE: AA) and Century Aluminum (NASDAQ: CENX) climbing 11.4% and 10.7%, respectively, while titanium producer Tronox (NYSE: TROX) closed 10.3% higher. The aluminum producers' rise is easier to explain than Tronox's jump. Bloomberg reported today that China, historically a large aluminum exporter and the source of about 50% of all aluminum produced globally, is shifting into import mode.