Wall St extend gains; ADRs mixed

The Dow Jones industrial average gained 34 points at 12,252. The Nasdaq advanced 12 points to 2443.

The Indian ADRs ended on a mixed note. MTNL zoomed 5% to $6.37. ICICI Bank surged nearly 4% to $39.44. Wipro shed 1.7% to $14.89, and Tata Motors slipped 1% to $18.50.