$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 (2016-09-15), gaining 8.34%. The number of shares that changed
hands was 8,113,851, or about 1.2 times the average daily volume in the
stock.
The closing price was $14.16, amounting to a market cap of $1,970,000,000,
about -61.99% off the highest price in the last 12 months. The stock has
been trading at a range between $8.62 and $37.25.
GPRO is in the Industrial Machinery/Components industry, part of the
Miscellaneous sector. It first went public in 2014.