The Wall Street ended with significant gains on the back of good numbers from Intel, JP Morgan Chase and Wells Fargo & Co. The Dow Jones industrial average rallied 257 points to 12,619. The Nasdaq surged 64 points to 2,350.Indian ADRs, too, ended with smart gains. Patni Computers zoomed over 6% to $13.54, and HDFC Bank soared over 5% to $103.02. Infosys, Genpact, Sterlite, Wipro, ICICI Bank, MTNL and Tata Communications gained 1-4% each.
