JD.com (JD) has seen its stock price decrease 8.7% in the year-to-date period, underperforming the Zacks Internet-Commerce industry, the broader retail sector and the S&P 500 index’s growth of 10.7%, 11.3% and 17.2%, respectively, in the same time frame.The decline comes amid broader market volatility and certain challenges being faced by China. The reduced export volume in the country is weighing heavily on the company’s business prospects.Sluggish consumer discretionary spending, mounting operational expe ...