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

GoPro, Inc. (symbol: GPRO) was one of the worst losers of the trading day
today (2015-09-02), losing -5.52%. The number of shares that changed hands
was 19,356,107, or about 3 times the average daily volume in the stock.
The closing price was $41.28, amounting to a market cap of $5,480,000,000,
about -58.08% off the highest price in the last 12 months. The stock has
been trading at a range between $37.13 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 36.96 times earnings.