Underfolio

Every trading day › 1977

The stock market on May 13, 1977

May 13, 1977, a Friday. The S&P 500 rose 0.30% to close at 99.03. Of 4,686 US stocks that traded, 1,454 rose and 897 fell.

The S&P 500+0.30%closed at 99.03
How big a move#16,454of 24,799 trading days since 1928
$100 in the index since$7,780price only, to September 24, 2026
Stocks that rose1,454of 4,686; 897 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for3stocks

Biggest rises among the 500 largest companies

Tektronix (TEK)+5.5%
General American Oil Co Tx (GAO)+4.6%
Intl. Flavors & Frag. (IFF)+4.6%

Biggest falls among the 500 largest companies

Santa Fe International (SAF)-6.8%
Associated Dry Goods Corp (DG)-4.3%
Allied Stores-3.0%

Stock moves count dividends; the index is price only. Market values after 2024 are estimates.

‹ May 12, 1977 · Every May 13 · May 16, 1977 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.