The stock market on May 27, 1970
May 27, 1970, a Wednesday. The S&P 500 rose 5.02% to close at 72.77. Of 2,254 US stocks that traded, 1,867 rose and 200 fell.
The S&P 500+5.02%closed at 72.77
How big a move#163of 24,799 trading days since 1928
$100 in the index since$10,587price only, to September 24, 2026
Stocks that rose1,867of 2,254; 200 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Ampex Corp (APX) | +23.5% |
| Kaiser Industries Corp (KI) | +21.4% |
| Paramount Communications Inc (PCI) | +20.5% |
Biggest falls among the 500 largest companies
| Macy (R H) & Co | -8.2% |
| Stevens (J.P.) & Co | -4.8% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ May 26, 1970 · Every May 27 · May 28, 1970 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.