標準普爾下調(diào)美國信用評級

????日期：2011年8月8日

????道瓊斯指數(shù)：下跌635點，跌幅5.6%

????8月份第2周,，美國股市經(jīng)歷了跌宕起伏的四個交易日,。相信這樣驚心動魄的經(jīng)歷，投資者一定終生難忘,。前一個周五的晚上,，標準普爾做出了一個史無前例的決定，將美國的信用評級從AAA調(diào)整為AA+,，震驚了整個世界,。周一早上美國股市開盤之前，全球市場率先跳水,，投資者陷入一片恐慌,。當天被認為是2011年最糟糕的交易日。標準普爾500指數(shù)跌幅達到了6.7%,，而納斯達克（Nasdaq ）跌幅也高達6.9%,。

????而這一周才剛剛拉開序幕。

S&P downgrades the U.S.

????Date: August 8, 2011

????Dow: -635, down 5.6%

????Who could forget the wild, four-day ride investors took during the second week in August? On the previous Friday evening, the world was rocked by news that Standard & Poor's had made the unprecedented decision to downgrade the United States' credit rating from AAA to AA+. World markets plunged before the U.S. market opened that Monday morning, and investors were panicked. The day marked the single worst trading day of 2011. The S&P 500 dropped 6.7%, and Nasdaq fell 6.9%.

????And the week was only beginning.