这次世界性的金融危机对世界经济影响的范围之大、程度之深超出了许多人的想象。浏览了一下股市,上证指数已跌至近1700点,再创两年来的新低,证券市场在不断下跌中弥漫和加重着悲观情绪,在国内外上市的几家安防企业的股票也放量下挫,有的累计跌幅已达到了50% The impact of this global financial crisis on the world economy has been vast and far beyond the imagination of many people. Browse the stock market, the Shanghai Composite Index has dropped to nearly 1,700 points, another two-year low, the stock market in the constant decline in pervasive and aggravating the pessimistic sentiment, several domestic and foreign listed security companies also heavy volume decline in stocks, and some Cumulative decline has reached 50%