$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 (2017-01-19), gaining 9.13%. The number of shares
that changed hands was 6,789,986, or about 3.0 times the average daily
volume in the stock.
The closing price was $13.27, amounting to a market cap of $1,160,000,000,
about -0.6% off the highest price in the last 12 months. The stock has been
trading at a range between $3.18 and $13.35.
CENX is in the Aluminum industry, part of the Basic Industries sector. It
first went public in 1996.