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

Credit Suisse Group American De (symbol: CS) was one of the worst losers of
the trading day today (2016-02-04), losing -10.78%. The number of shares
that changed hands was 5,395,850, or about 3 times the average daily volume
in the stock.
The closing price was $14.89, amounting to a market cap of $24,330,000,000,
about -50.35% off the highest price in the last 12 months. The stock has
been trading at a range between $14.44 and $29.99.
CS is in the Investment Bankers/Brokers/Service industry, part of the
Finance sector.
Looking at its valuation, the stock is now trading at 7.29 times earnings.