$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 (2016-10-24), losing -7.03%. The number of shares that changed hands
was 9,156,264, or about 1 times the average daily volume in the stock.
The closing price was $13.88, amounting to a market cap of $1,940,000,000,
about -54.74% off the highest price in the last 12 months. The stock has
been trading at a range between $8.62 and $30.67.
GPRO is in the Industrial Machinery/Components industry, part of the
Miscellaneous sector. It first went public in 2014.