Underfolio

Every trading day › 1973

The stock market on April 18, 1973

April 18, 1973, a Wednesday. The S&P 500 rose 0.54% to close at 111.54. Of 5,083 US stocks that traded, 1,285 rose and 1,683 fell.

The S&P 500+0.54%closed at 111.54
How big a move#11,746of 24,799 trading days since 1928
$100 in the index since$6,907price only, to September 24, 2026
Stocks that rose1,285of 5,083; 1,683 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

OfficeMax (BCC)+11.1%
Aon plc (AON)+10.5%
Teleprompter Corp (TP)+10.1%

Biggest falls among the 500 largest companies

Babcock & Wilcox Co-Old (BAW.)-8.6%
Ramanda Inc. (RAM)-7.0%
Doctor Pepper (DOC)-6.5%

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

‹ April 17, 1973 · Every April 18 · April 19, 1973 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.