The US stocks bounced back yesterday on the back of M&A activity strong corporate earnings. The Dow Jones industrial average surged 92 points to 13,943. The Nasdaq ended marginally higher at 2691 - up three points.Indian ADRs ended mostly on a positive note. Patni Computers soared 4.3% to $26.81. MTNL and VSNL surged 3.4% each to $7.83 and $24, respectively. Wipro and Tata Motors gained 1.3% each at $15.65 and $18.91, respectively. ICICI Bank dropped almost 4% to $50.36.