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

EXACT Sciences Corporation (symbol: EXAS) was one of the biggest winners of
the trading day today (2015-10-30), gaining 16.5%. The number of shares
that changed hands was 6,401,780, or about 2.0 times the average daily
volume in the stock.
The closing price was $8.33, amounting to a market cap of $800,400,000,
about -74.64% off the highest price in the last 12 months. The stock has
been trading at a range between $6.79 and $32.85.
EXAS is in the Biotechnology: Commercial Physical & Biological Resarch
industry, part of the Health Care sector. It first went public in 2001.