Underfolio

Every trading day › 1981

The stock market on May 15, 1981

May 15, 1981, a Friday. The S&P 500 rose 0.68% to close at 132.17. Of 4,836 US stocks that traded, 1,880 rose and 1,083 fell.

The S&P 500+0.68%closed at 132.17
How big a move#9,576of 24,799 trading days since 1928
$100 in the index since$5,829price only, to September 24, 2026
Stocks that rose1,880of 4,836; 1,083 fell
Biggest companyAT&T Corporationby market value that day

Biggest rises among the 500 largest companies

Navistar International (NAV)+13.8%
Maxus Energy (MXS)+12.0%
American Airlines Group (AMR)+9.7%

Biggest falls among the 500 largest companies

Pe Corp-Pe Biosy (PEB)-7.0%
Sedco (SED)-5.5%
Pogo Producing Co (PPP)-4.0%

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

‹ May 14, 1981 · Every May 15 · May 18, 1981 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.