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

Palo Alto Networks, Inc. Common (symbol: PANW) was one of the worst losers
of the trading day today (2016-05-27), losing -12.36%. The number of shares
that changed hands was 11,721,174, or about 7 times the average daily
volume in the stock.
The closing price was $129.86, amounting to a market cap of
$11,480,000,000, about -35.25% off the highest price in the last 12 months.
The stock has been trading at a range between $111.09 and $200.55.
PANW is in the Computer peripheral equipment industry, part of the
Technology sector. It first went public in 2012.