Wall Street is hopping on the JD bandwagon after the latest earnings report.JD.com (JD -0.74%) has been one of the worst-performing stocks on the market over the last three years, but in recent weeks, the Chinese e-commerce stock has shown signs of a potential turnaround.JD got a bump after its first-quarter earnings report last week as the company beat estimates, posting accelerating revenue growth and increasing profits.Wall Street analysts took notice of the report as well, and one thinks JD is a buy on ...