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

Qlik Technologies Inc. (symbol: QLIK) was one of the worst losers of the
trading day today (2015-10-23), losing -11.16%. The number of shares that
changed hands was 6,446,669, or about 4 times the average daily volume in
the stock.
The closing price was $30.8, amounting to a market cap of $2,840,000,000,
about -26.98% off the highest price in the last 12 months. The stock has
been trading at a range between $25.5 and $42.18.
QLIK is in the Computer Software: Prepackaged Software industry, part of
the Technology sector. It first went public in 2010.