Underfolio

Every trading day › 1987

The stock market on February 13, 1987

February 13, 1987, a Friday. The S&P 500 rose 1.48% to close at 279.70. Of 6,067 US stocks that traded, 2,433 rose and 1,547 fell.

The S&P 500+1.48%closed at 279.70
How big a move#3,156of 24,799 trading days since 1928
$100 in the index since$2,754price only, to September 24, 2026
Stocks that rose2,433of 6,067; 1,547 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Pennzoil (PZE)+14.3%
Tektronix (TEK)+8.1%
Millipore (MIL)+7.9%

Biggest falls among the 500 largest companies

Texaco (TX)-7.8%
Alexander & Alexander (AAL)-3.1%
Continental Airlines-2.6%

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

‹ February 12, 1987 · Every February 13 · February 17, 1987 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.