Shares of Walmart jumped 6.6% after raising its full-year net sales expectations, with the upbeat outlook boosting shares of other big retailers such as Target Corp TGT.N and Macy's Inc M.N. By Amruta Khandekar and Ankika Biswas Nov 15 (Reuters) - The tech-heavy Nasdaq led Wall Street's main indexes higher on Tuesday as data providing further proof of cooling inflation boosted bets of smaller interest rate hikes by the Federal Reserve. The report follows softer-than-expected consumer prices data late last week, which sparked a massive rally on hopes of a less aggressive monetary policy.