JD.com Inc. initiated a $3 billion stock repurchase program and reported a better-than-expected 3.6% rise in revenue, helped by a broader product lineup and price cuts to target cost-conscious Chinese consumers.The online retailer reportedBloomberg Terminal sales of 306.1 billion yuan ($42.6 billion) from October to December, versus the average analyst projection for about 300 billion yuan. It green-litBloomberg Terminal a new three-year buyback program, aiming to assuage investors concerned abo...