$CENX is one of biggest winner #stocks today. read more:

Century Aluminum Company (symbol: CENX) was one of the biggest winners of
the trading day today (2017-01-12), gaining 15.19%. The number of shares
that changed hands was 5,378,317, or about 2.7 times the average daily
volume in the stock.
The closing price was $10.35, amounting to a market cap of $901,230,000,
about -3.18% off the highest price in the last 12 months. The stock has
been trading at a range between $2.63 and $10.69.
CENX is in the Aluminum industry, part of the Basic Industries sector. It
first went public in 1996.