Chills over China’s property market spread in November as both home prices and sales slumped to a six-year low, according to official data on Dec. 15. According to the latest new home price indices released by the National Bureau of Statistics (NBS), new home prices in 70 tracked Chinese cities slipped 0.3 percent month-on-month in November, the biggest decline since February 2015. It was worse than the 0.2 percent drop in October. Only nine of the 70 cities saw monthly price gains in November, the fewest since February 2015, according to Reuters. Meanwhile, new home prices have dropped in 64 cities so far this year. New home prices dropped 0.4 percent on a monthly basis in tier-two cities and 0.3 percent in tier-three and four cities, compared with zero growth in tier-one cities last month. In a separate NBS statement, home sales by value slumped for a fifth month to …