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

Autodesk, Inc. (symbol: ADSK) was one of the worst losers of the trading
day today (2015-08-28), losing -4.96%. The number of shares that changed
hands was 12,501,048, or about 5 times the average daily volume in the
stock.
The closing price was $47.52, amounting to a market cap of $10,820,000,000,
about -26.89% off the highest price in the last 12 months. The stock has
been trading at a range between $46.26 and $65.0.
ADSK is in the Computer Software: Prepackaged Software industry, part of
the Technology sector.
Looking at its valuation, the stock is now trading at 153.29 times earnings.