Underfolio

Every trading day › 1997

The stock market on May 15, 1997

May 15, 1997, a Thursday. The S&P 500 rose 0.70% to close at 841.88. Of 7,477 US stocks that traded, 3,001 rose and 2,805 fell.

The S&P 500+0.70%closed at 841.88
How big a move#9,304of 24,799 trading days since 1928
$100 in the index since$915price only, to September 24, 2026
Stocks that rose3,001of 7,477; 2,805 fell
Biggest companyGeneral Electricby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Gateway (GTW)+12.2%
Bay Networks (BAY)+8.8%
Quantum (QMCO)+8.6%

Biggest falls among the 500 largest companies

Digital Equipment (DEC)-5.4%
Baker Hughes (BKR)-3.3%
Thermo Instrument Systems (THI)-2.8%

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

‹ May 14, 1997 · Every May 15 · May 16, 1997 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.