Underfolio

Every trading day › 1997

The stock market on May 20, 1997

May 20, 1997, a Tuesday. The S&P 500 rose 1.01% to close at 841.66. Of 7,475 US stocks that traded, 3,183 rose and 2,613 fell.

The S&P 500+1.01%closed at 841.66
How big a move#5,985of 24,799 trading days since 1928
$100 in the index since$915price only, to September 24, 2026
Stocks that rose3,183of 7,475; 2,613 fell
Biggest companyGeneral Electricby market value that day
Last day of trading for3stocks

Biggest rises among the 500 largest companies

Maxim Integrated (MXIM)+8.3%
Xilinx (XLNX)+7.6%
LSI Logic (LSI)+7.5%

Biggest falls among the 500 largest companies

Staples (SPLS)-6.4%
Safeway (SWY)-3.6%
Central & South West (CSR)-3.5%

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

‹ May 19, 1997 · Every May 20 · May 21, 1997 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.