September is generally known as the worst-performing month on Wall Street. But this year, the situation was completely different. The three major stock indexes — the Dow, the S&P 500 and the Nasdaq Composite — were up 1.9%, 2%, and 2.7%, respectively. The broad-market benchmark — the S&P 500 — posted its first September in green since 2019. On Monday, the month ended with the Dow and the S&P 500 recording their all-time highs on both intraday and closing basis. October is also known to be highly volatile. S ...