JD.com said a warehouse operated by the company in the Paris region was targeted by a professional theft ring in the early hours of Dec. 22 local time. Agence France-Presse reported on Monday that more than 50,000 consumer electronics devices — including smartphones, computers, tablets and headphones — were stolen, with losses estimated at around 37 million euros. JD.com said the warehouse has now resumed normal operations, and the “major loss f…