$CLMT is one of biggest losers #stocks today. read more:

Calumet Specialty Products Part (symbol: CLMT) was one of the worst losers
of the trading day today (2016-03-23), losing -13.24%. The number of shares
that changed hands was 668,466, or about 1 times the average daily volume
in the stock.
The closing price was $11.73, amounting to a market cap of $892,930,000,
about -58.83% off the highest price in the last 12 months. The stock has
been trading at a range between $7.8 and $28.49.
CLMT is in the Integrated oil Companies industry, part of the Energy
sector. It first went public in 2006.