Underfolio

Every trading day › 1981

The stock market on March 9, 1981

March 9, 1981, a Monday. The S&P 500 rose 0.98% to close at 131.12. Of 4,734 US stocks that traded, 1,754 rose and 1,257 fell.

The S&P 500+0.98%closed at 131.12
How big a move#6,234of 24,799 trading days since 1928
$100 in the index since$5,876price only, to September 24, 2026
Stocks that rose1,754of 4,734; 1,257 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for3stocks

Biggest rises among the 500 largest companies

Northwest Industries (NWT)+8.1%
Polaroid (PRDCQ)+7.3%
Supron Energy Corp (SUE)+7.1%

Biggest falls among the 500 largest companies

Apple (AAPL)-8.0%
Fluor (FLR)-7.5%
Noram Energy Corp-3.6%

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

‹ March 6, 1981 · Every March 9 · March 10, 1981 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.