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

The Rubicon Project, Inc. Commo (symbol: RUBI) was one of the biggest
winners of the trading day today (2015-07-29), gaining 19.35%. The number
of shares that changed hands was 3,974,072, or about 7.9 times the average
daily volume in the stock.
The closing price was $18.38, amounting to a market cap of $782,230,000,
about -10.73% off the highest price in the last 12 months. The stock has
been trading at a range between $8.76 and $20.59.
RUBI is in the Computer Software: Programming, Data Processing industry,
part of the Technology sector. It first went public in 2014.