Underfolio

Every trading day › 1987

The stock market on December 17, 1987

December 17, 1987, a Thursday. The S&P 500 fell 2.06% to close at 242.98. Of 6,327 US stocks that traded, 2,013 rose and 2,098 fell.

The S&P 500-2.06%closed at 242.98
How big a move#1,585of 24,799 trading days since 1928
$100 in the index since$3,171price only, to September 24, 2026
Stocks that rose2,013of 6,327; 2,098 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Bear Stearns (BSC)+8.4%
Morgan Stanley (MWD)+6.4%
BankBoston (BKB)+5.9%

Biggest falls among the 500 largest companies

Textron (TXT)-7.1%
Viacom Inc (VIA)-6.3%
Engelhard (EC)-6.3%

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

‹ December 16, 1987 · Every December 17 · December 18, 1987 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.