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

Changyou.com Limited (symbol: CYOU) was one of the worst losers of the
trading day today (2015-07-27), losing -11.73%. The number of shares that
changed hands was 385,603, or about 2 times the average daily volume in the
stock.
The closing price was $20.62, amounting to a market cap of $1,090,000,000,
about -41.54% off the highest price in the last 12 months. The stock has
been trading at a range between $17.13 and $35.27.
CYOU is in the Computer Software: Prepackaged Software industry, part of
the Technology sector. It first went public in 2009.
Looking at its valuation, the stock is now trading at 16.92 times earnings.