Underfolio

Every trading day › 1983

The stock market on December 23, 1983

December 23, 1983, a Friday. The S&P 500 fell 0.19% to close at 163.22. Of 5,628 US stocks that traded, 1,653 rose and 1,540 fell.

The S&P 500-0.19%closed at 163.22
How big a move#19,333of 24,799 trading days since 1928
$100 in the index since$4,720price only, to September 24, 2026
Stocks that rose1,653of 5,628; 1,540 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

CMS Energy (CMS)+6.6%
Warner Communications (WCI)+5.3%
KeySpan (KSE)+4.7%

Biggest falls among the 500 largest companies

Grumman Corp. (GQ)-14.1%
PNM Resources, Inc. (Holding Co.) (PNM)-6.0%
Sensormatic Electronics (SRM)-3.9%

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

‹ December 22, 1983 · Every December 23 · December 27, 1983 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.