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

Delek US Holdings, Inc. (symbol: DK) was one of the biggest winners of the
trading day today (2016-10-14), gaining 5.48%. The number of shares that
changed hands was 1,818,644, or about 1.6 times the average daily volume in
the stock.
The closing price was $17.32, amounting to a market cap of $1,070,000,000,
about -42.07% off the highest price in the last 12 months. The stock has
been trading at a range between $11.41 and $29.9.
DK is in the Integrated oil Companies industry, part of the Energy sector.
It first went public in 2006.