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

Novadaq Technologies Inc (symbol: NVDQ) was one of the biggest winners of
the trading day today (2015-10-29), gaining 12.72%. The number of shares
that changed hands was 1,639,261, or about 5.2 times the average daily
volume in the stock.
The closing price was $12.58, amounting to a market cap of $706,930,000,
about -31.03% off the highest price in the last 12 months. The stock has
been trading at a range between $9.4 and $18.24.
NVDQ is in the Biotechnology: Electromedical & Electrotherapeutic Apparatus
industry, part of the Health Care sector.