$MKTO is one of biggest winner #stocks today. read more:

Marketo, Inc. (symbol: MKTO) was one of the biggest winners of the trading
day today (2016-05-31), gaining 9.41%. The number of shares that changed
hands was 9,800,504, or about 15.9 times the average daily volume in the
stock.
The closing price was $35.23, amounting to a market cap of $1,570,000,000,
about -0.2% off the highest price in the last 12 months. The stock has been
trading at a range between $12.86 and $35.3.
MKTO is in the Computer Software: Prepackaged Software industry, part of
the Technology sector. It first went public in 2013.