$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 (2016-02-22), gaining 21.14%. The number of shares
that changed hands was 9,545,320, or about 3.6 times the average daily
volume in the stock.
The closing price was $7.22, amounting to a market cap of $628,410,000,
about -67.9% off the highest price in the last 12 months. The stock has
been trading at a range between $2.63 and $22.49.
CENX is in the Aluminum industry, part of the Basic Industries sector. It
first went public in 1996.