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

F.N.B. Corporation Common Stock (symbol: FNB) was one of the worst losers
of the trading day today (2016-07-21), losing -9.17%. The number of shares
that changed hands was 12,036,783, or about 10 times the average daily
volume in the stock.
The closing price was $11.99, amounting to a market cap of $2,500,000,000,
about -18.38% off the highest price in the last 12 months. The stock has
been trading at a range between $11.16 and $14.69.
FNB is in the Major Banks industry, part of the Finance sector.
Looking at its valuation, the stock is now trading at 15.92 times earnings.