Underfolio

Every trading day › 1998

The stock market on January 20, 1998

January 20, 1998, a Tuesday. The S&P 500 rose 1.78% to close at 978.60. Of 7,426 US stocks that traded, 3,850 rose and 2,459 fell.

The S&P 500+1.78%closed at 978.60
How big a move#2,162of 24,799 trading days since 1928
$100 in the index since$787price only, to September 24, 2026
Stocks that rose3,850of 7,426; 2,459 fell
Biggest companyGeneral Electricby market value that day
Last day of trading for4stocks

Biggest rises among the 500 largest companies

Wyeth (AHP)+16.8%
Teradyne, Inc. (TER)+13.2%
Globalsantafe Corp (GSF)+11.5%

Biggest falls among the 500 largest companies

Parker-Hannifin (PH)-11.9%
Ameren (AEE)-8.5%
Altria Group (MO)-3.7%

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

‹ January 16, 1998 · Every January 20 · January 21, 1998 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.