Underfolio

Every trading day › 1977

The stock market on March 18, 1977

March 18, 1977, a Friday. The S&P 500 fell 0.22% to close at 101.86. Of 4,664 US stocks that traded, 1,146 rose and 1,214 fell.

The S&P 500-0.22%closed at 101.86
How big a move#18,613of 24,799 trading days since 1928
$100 in the index since$7,563price only, to September 24, 2026
Stocks that rose1,146of 4,664; 1,214 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

First Interstate Bancorp (I)+4.1%
Mapco (MDA)+3.1%
Bally Entertainment (BLY)+3.1%

Biggest falls among the 500 largest companies

CBS Corporation (CBS)-4.1%
Diamond International (DN)-3.9%
Mgic Investment Corp (MGI)-3.8%

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

‹ March 17, 1977 · Every March 18 · March 21, 1977 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.