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

Dean Foods Company Common Stock (symbol: DF) was one of the worst losers of
the trading day today (2017-01-19), losing -6.48%. The number of shares
that changed hands was 3,243,586, or about 2 times the average daily volume
in the stock.
The closing price was $19.93, amounting to a market cap of $1,800,000,000,
about -10.67% off the highest price in the last 12 months. The stock has
been trading at a range between $15.69 and $22.31.
DF is in the Specialty Foods industry, part of the Consumer Non-Durables
sector.
Looking at its valuation, the stock is now trading at 17.29 times earnings.