AP/Nick Ut Walmart wants to buy Flipkart, India's version of Amazon. Walmart has entered the e-commerce space mainly through acquisitions. This purchase is a bad idea, Oppenheimer analyst Rupesh Parikh wrote in a note to clients. Watch Walmart trade in real time here. Walmart's foray into e-commerce has been mainly through acquisitions, and the next move it could make may be a bust, according to Oppenheimer analyst Rupesh Parikh.