Xylem Inc. (NYSE:XYL) is one of the best smart city stocks. On September 11, Xylem and Amazon announced a collaboration for advanced water management technology in Mexico City and Monterrey to conserve over 1.3 billion liters of water per year. The project will deploy Xylem Vue, a software solution that applies data analytics to spot leaks and lower water waste, aiming to conserve about 800 million liters annually in Mexico City and 560 million liters in Monterrey. Xylem (XYL), Amazon Partner To Support ...