The stock market on December 11, 1978
December 11, 1978, a Monday. The S&P 500 rose 0.50% to close at 97.11. Of 4,545 US stocks that traded, 1,361 rose and 1,097 fell.
The S&P 500+0.50%closed at 97.11
How big a move#12,506of 24,799 trading days since 1928
$100 in the index since$7,933price only, to September 24, 2026
Stocks that rose1,361of 4,545; 1,097 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Maxus Energy (MXS) | +6.7% |
| American Airlines Group (AMR) | +5.8% |
| Rhone-Poulenc Rorer (RPR) | +5.4% |
Biggest falls among the 500 largest companies
| Bally Entertainment (BLY) | -4.6% |
| Mead (MEA) | -4.3% |
| American Financial Group, Inc. (AFG) | -4.0% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
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Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.