Underfolio

Every trading day › 1981

The stock market on February 18, 1981

February 18, 1981, a Wednesday. The S&P 500 rose 0.52% to close at 128.48. Of 4,727 US stocks that traded, 1,527 rose and 1,361 fell.

The S&P 500+0.52%closed at 128.48
How big a move#12,054of 24,799 trading days since 1928
$100 in the index since$5,996price only, to September 24, 2026
Stocks that rose1,527of 4,727; 1,361 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Browning-Ferris Industries (BFI.)+7.3%
Phoenix Resource Cos (PHN)+6.9%
Energy Reserves Group (ERGS)+6.6%

Biggest falls among the 500 largest companies

National Semiconductor (NSM)-5.8%
Homestake Mining (HM)-3.9%
Computervision Corp (CVN)-3.0%

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

‹ February 17, 1981 · Every February 18 · February 19, 1981 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.