Underfolio

Every trading day › 1978

The stock market on May 25, 1978

May 25, 1978, a Thursday. The S&P 500 fell 0.29% to close at 96.80. Of 4,576 US stocks that traded, 1,223 rose and 1,245 fell.

The S&P 500-0.29%closed at 96.80
How big a move#16,805of 24,799 trading days since 1928
$100 in the index since$7,959price only, to September 24, 2026
Stocks that rose1,223of 4,576; 1,245 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Natomas Co (NOM)+6.8%
Kennecott (KN)+4.1%
Hca Hosp Cp Of Amer -cl A (HCA)+4.0%

Biggest falls among the 500 largest companies

Texas Instruments (TXN)-4.4%
Mesa Inc (MXP.)-3.7%
Dome Petroleum Ltd (DMP)-3.7%

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

‹ May 24, 1978 · Every May 25 · May 26, 1978 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.