Underfolio

Every trading day › 1978

The stock market on June 30, 1978

June 30, 1978, a Friday. The S&P 500 fell 0.04% to close at 95.53. Of 4,549 US stocks that traded, 1,218 rose and 1,100 fell.

The S&P 500-0.04%closed at 95.53
How big a move#23,538of 24,799 trading days since 1928
$100 in the index since$8,065price only, to September 24, 2026
Stocks that rose1,218of 4,549; 1,100 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for3stocks

Biggest rises among the 500 largest companies

Smithkline Beckman Corp (SKB)+5.0%
Pillsbury Co+4.7%
CSX Corporation (CSX)+4.4%

Biggest falls among the 500 largest companies

Husky Oil Ltd (HYO)-20.5%
Allegheny Technologies (ATI)-5.2%
Gardner Denver (GDC)-4.0%

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

‹ June 29, 1978 · Every June 30 · July 3, 1978 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.