The stock market on May 9, 1978
May 9, 1978, a Tuesday. The S&P 500 fell 0.30% to close at 95.90. Of 4,581 US stocks that traded, 1,230 rose and 1,388 fell.
The S&P 500-0.30%closed at 95.90
How big a move#16,504of 24,799 trading days since 1928
$100 in the index since$8,034price only, to September 24, 2026
Stocks that rose1,230of 4,581; 1,388 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Ideal Basic Industries (IDL) | +8.7% |
| Boeing (BA) | +5.4% |
| Northrop Grumman (NOC) | +5.0% |
Biggest falls among the 500 largest companies
| Chrysler Corp (C) | -4.3% |
| BP p.l.c. (BP) | -4.2% |
| Black & Decker (BDK) | -4.0% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ May 8, 1978 · Every May 9 · May 10, 1978 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.