Underfolio

Every trading day › 1989

The stock market on May 9, 1989

May 9, 1989, a Tuesday. The S&P 500 fell 0.26% to close at 305.19. Of 5,983 US stocks that traded, 1,656 rose and 1,963 fell.

The S&P 500-0.26%closed at 305.19
How big a move#17,340of 24,799 trading days since 1928
$100 in the index since$2,524price only, to September 24, 2026
Stocks that rose1,656of 5,983; 1,963 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Newmont Mining (NEM)+4.7%
Honeywell (HON.Z)+4.6%
Bear Stearns (BSC)+4.1%

Biggest falls among the 500 largest companies

Wang Labs Inc (WANG)-4.4%
Anadarko Petroleum (APC)-4.0%
Aflac (AFL)-3.5%

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

‹ May 8, 1989 · Every May 9 · May 10, 1989 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.