[IEEE 2010 International Conference on Information Management, Innovation Management and Industrial Engineering (ICIII) - Kunming, China (2010.11.26-2010.11.28)] 2010 3rd International Conference on Information Management, Innovation Management and Industrial Engineering - Analysis of Spillover Effect Brought about by the Change of the Real Estate Stock Price information: Based on a Empirical Analysis of Return Ratio in Hong Kong, Shen Zhen and Shang Hai