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

Dunkin' Brands Group, Inc. (symbol: DNKN) was one of the worst losers of
the trading day today (2015-10-01), losing -12.24%. The number of shares
that changed hands was 11,542,801, or about 8 times the average daily
volume in the stock.
The closing price was $43.0, amounting to a market cap of $4,100,000,000,
about -24.28% off the highest price in the last 12 months. The stock has
been trading at a range between $41.55 and $56.79.
DNKN is in the Restaurants industry, part of the Consumer Services sector.
It first went public in 2011.
Looking at its valuation, the stock is now trading at 25.09 times earnings.