US stocks fluctuate | non-ferrous metal sector generally declines Century Aluminum (CENX.US) falls more than 3%

According to the Wise Wealth APP, on Wednesday, the US stock market's non-ferrous metal sector generally fell, with Freeport-McMoRan Copper & Gold (FCX.US), Century Aluminum (CENX.US), and Southern Copper (SCCO.US) each falling by more than 3%, while Alcoa (AA.US), BHP Billiton (BHP.US), and Vale (VALE.US) fell by more than 2%, and Rio Tinto (RIO.US) fell by more than 1%.