Stocks are at all-time highs but the toughest month for the market looms
August 28, 2018 at 11:31 AM EDT
The Dow averages a decline of 0.7 percent while the S&P 500 falls 0.5 percent on average in September, data from The Stock Trader's Almanac show. The Nasdaq Composite, which was launched in 1971, falls half a percent on average.