Underfolio

Every trading day › 1998

The stock market on September 17, 1998

September 17, 1998, a Thursday. The S&P 500 fell 2.55% to close at 1018.87. Of 7,265 US stocks that traded, 1,909 rose and 4,201 fell.

The S&P 500-2.55%closed at 1018.87
How big a move#996of 24,799 trading days since 1928
$100 in the index since$756price only, to September 24, 2026
Stocks that rose1,909of 7,265; 4,201 fell
Biggest companyMicrosoftby market value that day
Last day of trading for6stocks

Biggest rises among the 500 largest companies

Newmont Mining (NEM)+10.3%
Newmont Gold Co (NGC)+6.0%
Ascend Communications (ASND)+5.8%

Biggest falls among the 500 largest companies

Panamsat Corp (SPOT)-10.4%
Bear Stearns (BSC)-9.7%
Amazon.com (AMZN)-8.9%

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

‹ September 16, 1998 · Every September 17 · September 18, 1998 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.