The stock market on May 13, 1971
May 13, 1971, a Thursday. The S&P 500 fell 0.20% to close at 102.69. Of 2,315 US stocks that traded, 818 rose and 1,063 fell.
The S&P 500-0.20%closed at 102.69
How big a move#18,920of 24,799 trading days since 1928
$100 in the index since$7,502price only, to September 24, 2026
Stocks that rose818of 2,315; 1,063 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Sybron Corp -old (SYB) | +9.8% |
| Salomon | +6.7% |
| National Gypsum Co (NGCO) | +5.8% |
Biggest falls among the 500 largest companies
| Time Warner (TWX) | -7.3% |
| Black & Decker (BDK) | -5.1% |
| Howard Johnson (HJ) | -4.6% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ May 12, 1971 · Every May 13 · May 14, 1971 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.