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

Dominion Diamond Corporation (symbol: DDC) was one of the biggest winners
of the trading day today (2015-12-22), gaining 22.38%. The number of shares
that changed hands was 1,686,539, or about 3.0 times the average daily
volume in the stock.
The closing price was $10.06, amounting to a market cap of $858,020,000,
about -50.44% off the highest price in the last 12 months. The stock has
been trading at a range between $7.27 and $20.3.
DDC is in the Precious Metals industry, part of the Basic Industries sector.