Underfolio

Every trading day › 1987

The stock market on October 28, 1987

October 28, 1987, a Wednesday. The S&P 500 rose 0.04% to close at 233.28. Of 6,359 US stocks that traded, 1,369 rose and 3,518 fell.

The S&P 500+0.04%closed at 233.28
How big a move#23,630of 24,799 trading days since 1928
$100 in the index since$3,303price only, to September 24, 2026
Stocks that rose1,369of 6,359; 3,518 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Newmont Gold Co (NGC)+14.8%
Kansas Gas & Electric Co+13.2%
Apple (AAPL)+10.7%

Biggest falls among the 500 largest companies

Morgan Stanley (MWD)-10.1%
V.F. Corporation (VFC)-10.1%
ConocoPhillips (P)-8.6%

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

‹ October 27, 1987 · Every October 28 · October 29, 1987 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.