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

MicroStrategy Incorporated (symbol: MSTR) was one of the worst losers of
the trading day today (2015-10-27), losing -14.28%. The number of shares
that changed hands was 758,777, or about 6 times the average daily volume
in the stock.
The closing price was $168.24, amounting to a market cap of $1,910,000,000,
about -25.72% off the highest price in the last 12 months. The stock has
been trading at a range between $149.04 and $226.48.
MSTR is in the Computer Software: Prepackaged Software industry, part of
the Technology sector. It first went public in 1998.
Looking at its valuation, the stock is now trading at 29.73 times earnings.