Underfolio

Every trading day › 1975

The stock market on April 28, 1975

April 28, 1975, a Monday. The S&P 500 fell 0.45% to close at 86.23. Of 4,609 US stocks that traded, 1,150 rose and 1,330 fell.

The S&P 500-0.45%closed at 86.23
How big a move#13,374of 24,799 trading days since 1928
$100 in the index since$8,934price only, to September 24, 2026
Stocks that rose1,150of 4,609; 1,330 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

W.W. Grainger (GWW)+8.4%
Fina Inc -cl A (FI)+6.9%
Holiday Corp. (HIA)+6.4%

Biggest falls among the 500 largest companies

Travelers Cos. (SPC)-7.2%
Williams (WMB)-6.1%
Clorox (CLX)-5.6%

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

‹ April 25, 1975 · Every April 28 · April 29, 1975 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.