Two cities in southeastern China’s Fujian province, Fuzhou and Xiamen, have decided to introduce three-day spring and autumn school holidays, with Xiamen’s spring break extending the Ching Ming Festival, also known as Tomb-Sweeping Day.They have joined dozens of other Chinese localities offering additional school breaks in an effort to stimulate consumer spending – a persistent weak spot in the world’s second-largest economy.The moves by Fuzhou and Xiamen, announced this month, coincide with...