September has historically been the worst month of the year for the stock market, and this year was no exception, with all major U.S. indexes posting significant declines. The S&P 500 posted a broad 9.34% decline last month, marking the worst September for the index since 2002, when it declined 11.00%, Howard Silverblatt, senior index [...] The post ACES and SDOG Garner Flows in September appeared first on ETF Trends .