Underfolio

Every trading day › 1998

The stock market on August 21, 1998

August 21, 1998, a Friday. The S&P 500 fell 0.95% to close at 1081.24. Of 7,315 US stocks that traded, 1,698 rose and 4,543 fell.

The S&P 500-0.95%closed at 1081.24
How big a move#6,489of 24,799 trading days since 1928
$100 in the index since$713price only, to September 24, 2026
Stocks that rose1,698of 7,315; 4,543 fell
Biggest companyGeneral Electricby market value that day
Last day of trading for7stocks

Biggest rises among the 500 largest companies

Tellabs (TLAB)+9.1%
Apple (AAPL)+5.9%
PeopleSoft, Inc. (PSFT)+4.1%

Biggest falls among the 500 largest companies

Ciena Corporation (CIEN)-45.0%
USA Networks Inc (USAI)-9.4%
Network Assocs (NETA)-9.3%

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

‹ August 20, 1998 · Every August 21 · August 24, 1998 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.