Underfolio

Every trading day › 1997

The stock market on May 8, 1997

May 8, 1997, a Thursday. The S&P 500 rose 0.57% to close at 820.26. Of 7,471 US stocks that traded, 2,918 rose and 2,980 fell.

The S&P 500+0.57%closed at 820.26
How big a move#11,258of 24,799 trading days since 1928
$100 in the index since$939price only, to September 24, 2026
Stocks that rose2,918of 7,471; 2,980 fell
Biggest companyGeneral Electricby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Costco Wholesale (COST)+8.1%
Teradyne, Inc. (TER)+6.2%
Maxim Integrated (MXIM)+6.1%

Biggest falls among the 500 largest companies

Adobe Inc. (ADBE)-5.1%
Hfs Inc (HFS.)-4.1%
MCI Worldcom Inc (WCOM)-4.1%

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

‹ May 7, 1997 · Every May 8 · May 9, 1997 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.