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

null (symbol: CMPR) was one of the worst losers of the trading day today
(2015-07-30), losing -18.73%. The number of shares that changed hands was
4,731,483, or about 16 times the average daily volume in the stock.
The closing price was $66.09, amounting to a market cap of $2,170,000,000,
about -17.72% off the highest price in the last 12 months. The stock has
been trading at a range between $45.29 and $80.32.
CMPR is in the Publishing industry, part of the Miscellaneous sector.
Looking at its valuation, the stock is now trading at 22.92 times earnings.