Underfolio

Every trading day › 1987

The stock market on August 14, 1987

August 14, 1987, a Friday. The S&P 500 fell 0.20% to close at 333.99. Of 6,318 US stocks that traded, 1,889 rose and 2,108 fell.

The S&P 500-0.20%closed at 333.99
How big a move#19,119of 24,799 trading days since 1928
$100 in the index since$2,307price only, to September 24, 2026
Stocks that rose1,889of 6,318; 2,108 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Transamerica (TA)+8.1%
State Street Corp. (STT)+6.8%
Sonoco Products (SON)+5.2%

Biggest falls among the 500 largest companies

Battle Mountain Gold Co (BMG)-5.3%
Newmont Gold Co (NGC)-5.0%
Amax Inc. (AMX)-4.5%

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

‹ August 13, 1987 · Every August 14 · August 17, 1987 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.