Wall Street ended lower yesterday on selling in banking stocks. The Dow Jones industrial average dropped 110 points to 12,423. The Nasdaq shed 17 points at 2,324.Indian ADRs ended in a sea of red. Tata Motors plunged nearly 7% to $16.18. ICICI Bank dropped 5.4% to $40.69. Genpatc, Sterlite, Satyam, Wipro, Patni Computers, HDFC Bank, MTNL and Dr.Reddy's slipped 1-4% each. Tata Communications, however, moved up nearly 2% to $28.