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

GoPro, Inc. (symbol: GPRO) was one of the biggest winners of the trading
day today (2016-08-15), gaining 9.16%. The number of shares that changed
hands was 17,251,248, or about 2.7 times the average daily volume in the
stock.
The closing price was $15.61, amounting to a market cap of $2,180,000,000,
about -73.84% off the highest price in the last 12 months. The stock has
been trading at a range between $8.62 and $59.67.
GPRO is in the Industrial Machinery/Components industry, part of the
Miscellaneous sector. It first went public in 2014.