Recently, the American stock market has seen a flourishing scene. The three major indices - the NASDAQ Composite Index (NASDAQ), the S&P 500 Index (S&P 500), and the Dow Jones Industrial Average (DJIA) - have been continuously rising for the past four trading days, boosting market vitality significantly. According to the latest data, the NASDAQ topped with a 1% rise, followed by the S&P 500 at 0.75%, while the DJIA also showed excellence, recording a growth of 0.58%. This series of positive performances reflects the gradual restoration of investor confidence in the outlook of the US economy.