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

AtriCure, Inc. (symbol: ATRC) was one of the biggest winners of the trading
day today (2015-07-29), gaining 14.8%. The number of shares that changed
hands was 850,614, or about 4.9 times the average daily volume in the stock.
The closing price was $26.68, amounting to a market cap of $756,910,000,
about -4.41% off the highest price in the last 12 months. The stock has
been trading at a range between $13.19 and $27.91.
ATRC is in the Medical/Dental Instruments industry, part of the Health Care
sector. It first went public in 2005.