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

Criteo S.A. (symbol: CRTO) was one of the worst losers of the trading day
today (2015-08-31), losing -9.03%. The number of shares that changed hands
was 791,945, or about 1 times the average daily volume in the stock.
The closing price was $39.21, amounting to a market cap of $2,410,000,000,
about -31.57% off the highest price in the last 12 months. The stock has
been trading at a range between $28.09 and $57.3.
CRTO is in the Advertising industry, part of the Technology sector. It
first went public in 2013.
Looking at its valuation, the stock is now trading at 50.59 times earnings.