The stock market on July 20, 1977
July 20, 1977, a Wednesday. The S&P 500 fell 0.06% to close at 101.73. Of 4,678 US stocks that traded, 1,258 rose and 1,246 fell.
The S&P 500-0.06%closed at 101.73
How big a move#23,109of 24,799 trading days since 1928
$100 in the index since$7,573price only, to September 24, 2026
Stocks that rose1,258of 4,678; 1,246 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Mgic Investment Corp (MGI) | +7.2% |
| Black & Decker (BDK) | +5.7% |
| Sempra Energy (SRE) | +4.6% |
Biggest falls among the 500 largest companies
| Newmont Mining (NEM) | -8.4% |
| Allegheny Technologies (ATI) | -5.6% |
| Pacific Petroleums Ltd (PP) | -4.0% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ July 19, 1977 · Every July 20 · July 21, 1977 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.