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

Perrigo Company plc Ordinary Sh (symbol: PRGO) was one of the worst losers
of the trading day today (2016-08-10), losing -9.56%. The number of shares
that changed hands was 13,724,294, or about 6 times the average daily
volume in the stock.
The closing price was $86.0, amounting to a market cap of $12,320,000,000,
about -56.66% off the highest price in the last 12 months. The stock has
been trading at a range between $82.5 and $198.42.
PRGO is in the Major Pharmaceuticals industry, part of the Health Care
sector.