September 2023 Market Summary Stocks continued to decline in September as the Dow Jones Industrial Average fell 3.4%, the S&P 500 slipped 4.8%, and the NASDAQ ended 5.8% lower.

Email: katie.robertson@nytimes.com A version of this article appears in print on Dec. 1, 2023, Section B, Page 6 of the New York edition with the headline: Businessweek To Go Monthly With New Look.