Domino's Pizza Inc DPZ.N slipped 3.6% after the pizza chain reported a surprise drop in U.S. same-store sales on a slowdown in demand for deliveries. By Devik Jain Oct 14 (Reuters) - Wall Street's main indexes were set for a strong open on Thursday after big banks reported better-than-expected quarterly results, helping investors to look away from inflation concerns. Analysts expect corporate America to report strong quarterly profit growth and will focus on commentary from companies on how they are going to battle rising costs, labor shortages and supply chain disruptions.