Underfolio

Every trading day › 1977

The stock market on May 31, 1977

May 31, 1977, a Tuesday. The S&P 500 fell 0.16% to close at 96.12. Of 4,681 US stocks that traded, 783 rose and 1,607 fell.

The S&P 500-0.16%closed at 96.12
How big a move#20,334of 24,799 trading days since 1928
$100 in the index since$8,015price only, to September 24, 2026
Stocks that rose783of 4,681; 1,607 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Nalco Chemical Co (NLC)+3.3%
Holiday Corp. (HIA)+3.0%

Biggest falls among the 500 largest companies

Williams (WMB)-6.2%
Kewanee Industries Inc (KOC.)-5.8%
Allied Stores-4.8%

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

‹ May 27, 1977 · Every May 31 · June 1, 1977 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.