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

Quality Systems, Inc. (symbol: QSII) was one of the biggest winners of the
trading day today (2015-10-23), gaining 17.03%. The number of shares that
changed hands was 1,850,426, or about 4.1 times the average daily volume in
the stock.
The closing price was $15.05, amounting to a market cap of $907,770,000,
about -19.73% off the highest price in the last 12 months. The stock has
been trading at a range between $12.01 and $18.75.
QSII is in the EDP Services industry, part of the Technology sector. It
first went public in 1982.
Looking at its valuation, the stock is now trading at 32.02 times earnings.