US indices maintained its upward trend for the fourth consecutive session as gains in tech stocks boosted the sentiment yesterday. While the Dow Jones moved up 29 points to 10,493, the Nasdaq added 12 points to close at 2,043.Indian ADRs had a mixed outing on the US bourses. While Infosys and Wipro finished weak, Satyam gained 1.77% to $23.59.While HDFC Bank, ICICI Bank, Tata Motors and VSNL ended lower, Dr. Reddy's and MTNL registered steady gains.