No image available				
			
			
			 / 22 January 2008
			
		
		The United States Federal Reserve on Tuesday slashed a key interest rate by a hefty three-quarters of a percentage point, the biggest cut in more than 23 years, after a two-day global stocks rout sparked by fears of a US recession. ”The Fed is very, very, very worried,” said John Tierney, an analyst at Deutsche Bank.