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

Ruckus Wireless, Inc. Common St (symbol: RKUS) was one of the worst losers
of the trading day today (2015-10-30), losing -12.49%. The number of shares
that changed hands was 10,237,952, or about 7 times the average daily
volume in the stock.
The closing price was $11.28, amounting to a market cap of $988,080,000,
about -16.44% off the highest price in the last 12 months. The stock has
been trading at a range between $9.11 and $13.5.
RKUS is in the Computer peripheral equipment industry, part of the
Technology sector. It first went public in 2012.
Looking at its valuation, the stock is now trading at 158.87 times earnings.