Castle Securities: The S&P 500 Index had its weakest trading week of the year this week

ChainCatcher news, according to Jinshi reports, Castle Securities warns investors not to ignore the seasonal fluctuations of the stock market. The firm's head of equity and derivatives strategy, Scott Rubner, pointed out that based on data since 1990, this week is the weakest week for the S&P 500 index, and it is prone to a single-day decline of 1%. Although the S&P 500 index has risen about 3% so far in September, the average decline in September over the past five years has been 4.2%.