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

Barracuda Networks, Inc. Common (symbol: CUDA) was one of the worst losers
of the trading day today (2015-09-30), losing -33.84%. The number of shares
that changed hands was 9,614,714, or about 16 times the average daily
volume in the stock.
The closing price was $15.58, amounting to a market cap of $829,170,000,
about -66.7% off the highest price in the last 12 months. The stock has
been trading at a range between $14.77 and $46.78.
CUDA is in the Computer peripheral equipment industry, part of the
Technology sector. It first went public in 2013.