U.S. stocks face a weak September, with a historical probability of decline reaching 56%

ChainCatcher news, according to Golden Ten Data, investors are concerned that the US stock bull market is approaching unsustainable levels and facing seasonal weakness in September. The latest non-farm payroll data and two inflation reports will be released next week, and the Federal Reserve will make a policy decision. The S&P 500 index has risen 17% since early May, and its current valuation has reached 22 times expected earnings. According to analysts at Bank of America, since 1927, the probability of the S&P 500 index declining in September is 56%, with an average drop of 1.17%.