Wall St ends mixed; ADRs drop

The Dow Jones industrial average slipped 30 points to 13,091. The Nasdaq moved up 13 points to 2521.

Indian ADRs ended on a weak note. Infosys plunged 4.5% to $44.50. Satyam and Tata Motors tumbled 3.7% each to $23 and $15.60, respectively. Sterlite, Wipro, ICICI Bank, HDFC Bank, MTNL, VSNL and Dr.Reddy's dropped 1-3% each.

Patni Computers, however, zoomed 9.5% to $21.12.