Underfolio

Every trading day › 1987

The stock market on December 11, 1987

December 11, 1987, a Friday. The S&P 500 rose 0.75% to close at 235.32. Of 6,332 US stocks that traded, 2,183 rose and 1,725 fell.

The S&P 500+0.75%closed at 235.32
How big a move#8,651of 24,799 trading days since 1928
$100 in the index since$3,274price only, to September 24, 2026
Stocks that rose2,183of 6,332; 1,725 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Texaco (TX)+12.1%
Newmont Gold Co (NGC)+11.0%
Pennzoil (PZE)+9.3%

Biggest falls among the 500 largest companies

Squibb Corp. (SQB)-5.7%
BankBoston (BKB)-4.9%
May Dept. Stores (MAY)-4.5%

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

‹ December 10, 1987 · Every December 11 · December 14, 1987 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.