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

Tableau Software, Inc. Class A (symbol: DATA) was one of the worst losers
of the trading day today (2016-03-02), losing -9.07%. The number of shares
that changed hands was 4,232,879, or about 2 times the average daily volume
in the stock.
The closing price was $44.19, amounting to a market cap of $3,280,000,000,
about -66.35% off the highest price in the last 12 months. The stock has
been trading at a range between $36.6 and $131.34.
DATA is in the Computer Software: Prepackaged Software industry, part of
the Technology sector. It first went public in 2013.