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

Carnival Plc ADS ADS (symbol: CUK) was one of the worst losers of the
trading day today (2016-09-02), losing -5.23%. The number of shares that
changed hands was 906,427, or about 2 times the average daily volume in the
stock.
The closing price was $46.91, amounting to a market cap of $34,950,000,000,
about -19.23% off the highest price in the last 12 months. The stock has
been trading at a range between $42.45 and $58.08.
CUK is in the Marine Transportation industry, part of the Consumer Services
sector.
Looking at its valuation, the stock is now trading at 16.16 times earnings.