Dow Jones Industrial Average index surged on Thursday as Fed's announcement offset higher than expected jobless claims effect. Blue chip index soared 1.41% or 181.19 points and closed at 12,986.58 mainly supported by Hewlett Packard which rallied 7.2% after Gartner reported the global PC industry advanced by nearly 2% in the 1st quarter and Hewlett Packard remained a market leader. Among other gainers were Caterpillar and Bank of America adding 4.6% and 3.5% respectively.