Dow slipped on Wednesday after Federal Reserve chairman Bernanke said that recession was possible. The Dow Jones industrial average slipped 49 points to 12,606. The Nasdaq was down a point at 2,361.Indian ADRs ended mostly in red. Sterlite, ICICI Bank and Tata Communications dropped over 4% each to $18.12, $39.45 and $16.24, respectively. Satyam and HDFC Bank shed 3.5% each at $23.28 and $100.44, respectively. MTNL and Dr.Reddy's were down over 1% each to $5.10 and $15.04, respectively. Wipro, however, gained 1.5% at $12.35.