Underfolio

Every trading day › 1970

The stock market on May 18, 1970

May 18, 1970, a Monday. The S&P 500 rose 0.08% to close at 76.96. Of 2,252 US stocks that traded, 1,004 rose and 824 fell.

The S&P 500+0.08%closed at 76.96
How big a move#22,533of 24,799 trading days since 1928
$100 in the index since$10,011price only, to September 24, 2026
Stocks that rose1,004of 2,252; 824 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Halliburton (HAL)+10.6%
Anchor Hocking Corp (ARH)+7.7%
Dole Food (DOLE)+7.3%

Biggest falls among the 500 largest companies

Target (TGT)-6.3%
Magnavox Co (MAG)-6.0%
Will Ross Inc (WR)-4.9%

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

‹ May 15, 1970 · Every May 18 · May 19, 1970 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.