Walmart With all the uncertainty in the world -- COVID-19 variants, high inflation, and tensions abroad -- one thing looks certain: Walmart (NYSE: WMT) will continue attracting customers. Fortunately, consumers continue to like the product, and the launch of the iPhone 13 last September helped propel sales upward by 9%. Adjusted operating income increased by 6.2% to $6 billion (and growth would have been even higher since the year-ago period includes businesses that Walmart sold).