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

Dynavax Technologies Corporation (symbol: DVAX) was one of the biggest
winners of the trading day today (2016-09-06), gaining 28.32%. The number
of shares that changed hands was 10,887,344, or about 13.7 times the
average daily volume in the stock.
The closing price was $14.0, amounting to a market cap of $538,960,000,
about -56.91% off the highest price in the last 12 months. The stock has
been trading at a range between $10.14 and $32.49.
DVAX is in the Major Pharmaceuticals industry, part of the Health Care
sector. It first went public in 2004.