shares of norwegian cruise line holdings ltd nclh were unchanged wednesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 013 to 375989 and dow jones industrial average djia falling 015 to 3048313 norwegian cruise line holdings ltd closed 2009 below its 52week high 3156 which the company achieved on june 24th the stock outperformed some of its competitors wednesday as royal caribbean group rcl fell 092 to 3669 trading volume 160 m remained 51 million below its 50day average volume of 211 m editors note this story was autogenerated by automated insights an automation technology provider using data from dow jones and factset see our market data terms of use