Walmart, which last month reported lackluster earnings, is making a big bet on enhancing its warehouse technology. The big box giant will open new facilities that use automation in order to fill more orders and deliver them within a competitive timeframe, like same-day or two-day delivery in order to compete with e-commerce king Amazon. Will these efforts give Walmart an advantage, and maybe even help it beat Amazon in multiple categories? Arun Sundaram, senior equity analyst at CFRA Research, joins Closing Bell to discuss.