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

Stifel Financial Corporation Co (symbol: SF) was one of the worst losers of
the trading day today (2016-02-22), losing -7.06%. The number of shares
that changed hands was 2,484,295, or about 4 times the average daily volume
in the stock.
The closing price was $28.98, amounting to a market cap of $1,970,000,000,
about -51.64% off the highest price in the last 12 months. The stock has
been trading at a range between $28.07 and $59.93.
SF is in the Investment Bankers/Brokers/Service industry, part of the
Finance sector.
Looking at its valuation, the stock is now trading at 17.84 times earnings.