Wall Street ended higher on Wednesday on the back of a smart rally in technology stocks. The Dow Jones industrial average gained 90 points at 12,427. The Nasdaq was up 21 points at 2,327.Indian ADRs ended on a mixed note. HDFC Bank advanced over 1% to $116.98. Wipro and Dr.Reddy's were the other major gainers at $11.59 and $13.86, respectively. Tata Motors has dropped 2.4% to $17.99, and Patni Computers shed 1% at $12.83.
