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

Pandora Media, Inc. Common Stoc (symbol: P) was one of the worst losers of
the trading day today (2016-02-15), losing -11.99%. The number of shares
that changed hands was 39,708,723, or about 4 times the average daily
volume in the stock.
The closing price was $8.0, amounting to a market cap of $1,770,000,000,
about -64.6% off the highest price in the last 12 months. The stock has
been trading at a range between $7.1 and $22.6.
P is in the Broadcasting industry, part of the Consumer Services sector. It
first went public in 2011.