Underfolio

Every trading day › 1993

The stock market on October 20, 1993

October 20, 1993, a Wednesday. The S&P 500 fell 0.03% to close at 466.07. Of 6,255 US stocks that traded, 2,112 rose and 2,596 fell.

The S&P 500-0.03%closed at 466.07
How big a move#23,860of 24,799 trading days since 1928
$100 in the index since$1,653price only, to September 24, 2026
Stocks that rose2,112of 6,255; 2,596 fell
Biggest companyGeneral Electricby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Pharmacia (PNU)+9.4%
Comcast (CMCS)+6.3%
7-Eleven Inc (SVEV)+5.4%

Biggest falls among the 500 largest companies

Waste Management Inc-Old (WMX)-16.9%
Mandalay Resort Group (MBG)-11.8%
EOG Resources, Inc. (EOG)-8.8%

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

‹ October 19, 1993 · Every October 20 · October 21, 1993 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.