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

Activision Blizzard, Inc (symbol: ATVI) was one of the worst losers of the
trading day today (2016-02-12), losing -7.86%. The number of shares that
changed hands was 42,847,563, or about 5 times the average daily volume in
the stock.
The closing price was $28.12, amounting to a market cap of $20,560,000,000,
about -29.58% off the highest price in the last 12 months. The stock has
been trading at a range between $22.28 and $39.93.
ATVI is in the Computer Software: Prepackaged Software industry, part of
the Technology sector.
Looking at its valuation, the stock is now trading at 19.16 times earnings.