The Dow Jones industrial average slipped 28 points to 12,194. The Nasdaq was down 19 points at 2413.The Indian ADRs ended on a mixed note. Tata Motors rallied 4.7% to $18.90. VSNL and Dr.Reddy's surged 2.5% each to $19.51 and $17.12, respectively. MTNL was up nearly 2% at $6.04.On the other hand, Patni Computers dropped 3.3% to $19.60. Infosys and Wipro was down over 1% each to $52.99 and $15.47, respectively.