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

Cubic Corporation Common Stock (symbol: CUB) was one of the worst losers of
the trading day today (2016-02-04), losing -16.2%. The number of shares
that changed hands was 595,699, or about 4 times the average daily volume
in the stock.
The closing price was $33.78, amounting to a market cap of $910,840,000,
about -37.8% off the highest price in the last 12 months. The stock has
been trading at a range between $33.76 and $54.31.
CUB is in the Industrial Machinery/Components industry, part of the Capital
Goods sector.
Looking at its valuation, the stock is now trading at 39.74 times earnings.