Underfolio

Every trading day › 2020

The stock market on September 23, 2020

September 23, 2020, a Wednesday. The S&P 500 fell 2.37% to close at 3236.92. Of 3,748 US stocks that traded, 437 rose and 3,236 fell.

The S&P 500-2.37%closed at 3236.92
How big a move#1,163of 24,799 trading days since 1928
$100 in the index since$238price only, to September 24, 2026
Stocks that rose437of 3,748; 3,236 fell
Biggest companyAppleby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Nike (NKE)+8.8%
Western Digital (WDC)+6.7%
Twitter (TWTR)+6.1%

Biggest falls among the 500 largest companies

Tesla (TSLA)-10.3%
Marathon Oil (MPC)-7.4%
Penn Entertainment (PENN)-7.2%

Stock moves count dividends; the index is price only. Market values after 2024 are estimates.

‹ September 22, 2020 · Every September 23 · September 24, 2020 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.