Underfolio

Every trading day › 1981

The stock market on February 17, 1981

February 17, 1981, a Tuesday. The S&P 500 rose 0.65% to close at 127.81. Of 4,729 US stocks that traded, 1,401 rose and 1,493 fell.

The S&P 500+0.65%closed at 127.81
How big a move#9,922of 24,799 trading days since 1928
$100 in the index since$6,028price only, to September 24, 2026
Stocks that rose1,401of 4,729; 1,493 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Cattlesale Co (CTLE.)+7.6%
Milacron (MZIAQ)+7.2%
Helmerich & Payne, Inc. (HP)+6.8%

Biggest falls among the 500 largest companies

Dana (DAN)-3.7%
Cessna Aircraft Co (CEA)-3.7%
Stauffer Chemical Co (STF.)-3.5%

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

‹ February 13, 1981 · Every February 17 · February 18, 1981 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.