$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 (2016-07-28), gaining 16.19%. The number of shares
that changed hands was 1,730,354, or about 6.7 times the average daily
volume in the stock.
The closing price was $10.26, amounting to a market cap of $589,240,000,
about -28.55% off the highest price in the last 12 months. The stock has
been trading at a range between $8.26 and $14.36.
NVDQ is in the Biotechnology: Electromedical & Electrotherapeutic Apparatus
industry, part of the Health Care sector.