Chinese e-commerce giant JD.com is extending its deep-seated rivalry with Meituan to Saudi Arabia, launching a self-operated courier service in the country as it extends its footprint in the Middle East. On Wednesday, JD.com’s logistics arm JD Logistics announced the launch of JoyExpress, a business-to-consumer express delivery service that covers most of the 13 provinces in the Middle Eastern country, according to a statement. JoyExpress provides expedited same-day and next-day delivery...