Walmart Inc. (WMT) has been benefiting from its diverse business model that spans multiple segments, channels and formats. The company's strong omnichannel strategy has boosted traffic across both physical stores and digital platforms. Its emphasis on improving delivery services has been successful, contributing to steady grocery market share gains.Upsides like these, along with growth in the advertising business, fueled second-quarter fiscal 2025 results, wherein the top and bottom lines grew year over yea ...