Cruise Companies Fall Over Swine Flu Outbreak By: MarketMinute.com Stock News April 27, 2009 at 17:08 PM EDT Shares of Royal Caribbean Cruises Ltd. (NYSE: RCL) plunged $2.36 to close at $12.10 and Carnival Corp. (NYSE: CCL) plummeted $3.84 to close at $24.59 over fears that the swine flu outbreak will further hurt the travel industry. Related Stocks: Carnival Corp Royal Caribbean Cruises Ltd