Underfolio

Every trading day › 1977

The stock market on April 13, 1977

April 13, 1977, a Wednesday. The S&P 500 rose 0.01% to close at 100.16. Of 4,677 US stocks that traded, 1,276 rose and 1,113 fell.

The S&P 500+0.01%closed at 100.16
How big a move#24,318of 24,799 trading days since 1928
$100 in the index since$7,692price only, to September 24, 2026
Stocks that rose1,276of 4,677; 1,113 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Missouri Pacific (MIS)+4.4%
Kaisertech Ltd+4.3%
BP p.l.c. (BP)+4.2%

Biggest falls among the 500 largest companies

Intel (INTC)-4.3%
Big Three Industries-3.5%
Owens-Illinois (OI)-3.1%

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

‹ April 12, 1977 · Every April 13 · April 14, 1977 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.