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

Pacific Biosciences of California, Inc. (symbol: PACB) was one of the
biggest winners of the trading day today (2016-04-22), gaining 19.24%. The
number of shares that changed hands was 5,554,966, or about 3.3 times the
average daily volume in the stock.
The closing price was $10.72, amounting to a market cap of $857,420,000,
about -23.43% off the highest price in the last 12 months. The stock has
been trading at a range between $3.58 and $14.0.
PACB is in the Biotechnology: Laboratory Analytical Instruments industry,
part of the Capital Goods sector. It first went public in 2010.