Underfolio

Every trading day › 1987

The stock market on September 14, 1987

September 14, 1987, a Monday. The S&P 500 rose 0.34% to close at 323.08. Of 6,359 US stocks that traded, 1,945 rose and 2,111 fell.

The S&P 500+0.34%closed at 323.08
How big a move#15,577of 24,799 trading days since 1928
$100 in the index since$2,385price only, to September 24, 2026
Stocks that rose1,945of 6,359; 2,111 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

TJX Companies, Inc. (The) (TJX)+9.0%
Sysco (SYY)+6.7%
KeySpan (KSE)+5.7%

Biggest falls among the 500 largest companies

Hercules (HPC)-6.2%
Himont Inc (HMT)-5.3%
S&P Global (MHP)-3.9%

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

‹ September 11, 1987 · Every September 14 · September 15, 1987 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.