The stock market on May 17, 1978
May 17, 1978, a Wednesday. The S&P 500 rose 0.25% to close at 99.60. Of 4,576 US stocks that traded, 1,621 rose and 1,073 fell.
The S&P 500+0.25%closed at 99.60
How big a move#17,671of 24,799 trading days since 1928
$100 in the index since$7,735price only, to September 24, 2026
Stocks that rose1,621of 4,576; 1,073 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| Schlitz (jos.) Brewing Co (SLZ.) | +13.2% |
| Bethlehem Steel | +5.3% |
| Marathon Oil (MRO) | +5.3% |
Biggest falls among the 500 largest companies
| Raytheon (RTN) | -3.7% |
| JCPenney (JCP) | -3.4% |
| Mgm Grand Hotels Inc (GRH) | -2.8% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ May 16, 1978 · Every May 17 · May 18, 1978 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.