$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 (2015-09-22), gaining 3.22%. The number of shares that changed
hands was 14,499,057, or about 1.6 times the average daily volume in the
stock.
The closing price was $33.31, amounting to a market cap of $4,430,000,000,
about -66.17% off the highest price in the last 12 months. The stock has
been trading at a range between $30.55 and $98.47.
GPRO is in the Industrial Machinery/Components industry, part of the
Miscellaneous sector. It first went public in 2014.
Looking at its valuation, the stock is now trading at 29.82 times earnings.