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

Dollar General Corporation Comm (symbol: DG) was one of the worst losers of
the trading day today (2016-08-25), losing -17.63%. The number of shares
that changed hands was 29,822,236, or about 12 times the average daily
volume in the stock.
The closing price was $75.61, amounting to a market cap of $21,460,000,000,
about -21.95% off the highest price in the last 12 months. The stock has
been trading at a range between $59.75 and $96.88.
DG is in the Department/Specialty Retail Stores industry, part of the
Consumer Services sector. It first went public in 2009.
Looking at its valuation, the stock is now trading at 18.24 times earnings.