The stock market on December 28, 1970
December 28, 1970, a Monday. The S&P 500 rose 0.53% to close at 91.09. Of 2,293 US stocks that traded, 1,187 rose and 673 fell.
The S&P 500+0.53%closed at 91.09
How big a move#11,955of 24,799 trading days since 1928
$100 in the index since$8,458price only, to September 24, 2026
Stocks that rose1,187of 2,293; 673 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Allegheny Technologies (ATI) | +9.0% |
| Newmont Mining (NEM) | +6.3% |
| Irving Bank Corp (V) | +5.7% |
Biggest falls among the 500 largest companies
| Memorex Corp (MRX) | -4.5% |
| American Natural Resource (ANR) | -4.4% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ December 24, 1970 · Every December 28 · December 29, 1970 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.