Cruise ship companies Norwegian Cruise Line Holdings Ltd NCLH.N and Carnival Corp CCL.N also fell. By Noel Randewich and Ankika Biswas Sept 29 (Reuters) - Wall Street ended sharply lower on Thursday on worries that the Federal Reserve's aggressive fight against inflation could hobble the U.S. economy, and as investors fretted about a rout in global currency and debt markets. Data showed the number of Americans filing new claims for unemployment benefits fell to a five-month low last week as the labor market remains resilient despite the Fed's aggressive interest rate hikes.