The stock market on May 15, 1978
May 15, 1978, a Monday. The S&P 500 rose 0.70% to close at 98.76. Of 4,576 US stocks that traded, 1,490 rose and 1,132 fell.
The S&P 500+0.70%closed at 98.76
How big a move#9,224of 24,799 trading days since 1928
$100 in the index since$7,801price only, to September 24, 2026
Stocks that rose1,490of 4,576; 1,132 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| American Homes 4 Rent (AMH) | +12.3% |
| Wendy's International Inc (WEN) | +10.6% |
| Archer Daniels Midland (ADM) | +7.4% |
Biggest falls among the 500 largest companies
| Armstrong Holdings (ACK) | -3.3% |
| Pillsbury Co | -3.3% |
| Champion International (CHA) | -2.9% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ May 12, 1978 · Every May 15 · May 16, 1978 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.