金磚四國BRICs在未來的半個世紀後，將有可能會取代現有的六大工業國的其中四國，成為未來的經濟強權，因此了解金磚四國股市與美國股市之間的關聯性，可以有助於我們預測未來世界的經濟發展，以提早做準備。本文經實證，我們發現在短期，美國道瓊工業指數對印度Sensex30指數及美國道瓊工業指數對俄羅斯RTS指數分別有顯著的影響。在長期中，我們可得到大陸上海綜合股價指數對美國道瓊工業指數及美國道瓊工業指數對印度Sensex30指數有領先關係。 BRICs may become four of the G6 and strong economics power in the near future. It can help us to predict the development of world economics by understanding there relations between BRICs and U.S. stock market. According to the evidence, we discovered, in the short run, Dow Jones index had obviously influence to Russia (RTS) and India (Sensex 30 index), however others are not. In the long run, we understand that Shangshi mixed stock index has lead relation to Dow Jones and Dow Jones has lead relation to Sensex 30.
