Retailer Walmart Inc WMT.N jumped 6.5% in the previous session on lifting its annual sales and profit forecasts, helped by steady demand for groceries despite higher prices. Wall Street ended Tuesday higher despite geopolitical worries, after slower U.S. producer price growth data added to improved inflation outlook for the world's largest economy. "The big test now will be whether these very positive numbers from October can be sustained, or whether it's a repeat of July's downside surprise that was then followed by more negative prints once again," Deutsche Bank's head of global fundamental credit strategy Jim Reid said.