Underfolio

Every trading day › 1999

The stock market on April 23, 1999

April 23, 1999, a Friday. The S&P 500 fell 0.14% to close at 1356.85. Of 6,861 US stocks that traded, 3,117 rose and 2,695 fell.

The S&P 500-0.14%closed at 1356.85
How big a move#20,587of 24,799 trading days since 1928
$100 in the index since$568price only, to September 24, 2026
Stocks that rose3,117of 6,861; 2,695 fell
Biggest companyMicrosoftby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Compuware (CPWR)+18.3%
eBay (EBAY)+16.4%
3Com Corp (COMS.)+15.7%

Biggest falls among the 500 largest companies

Xilinx (XLNX)-8.9%
Diamond Offshore Drilling (DO)-6.7%
Baker Hughes (BKR)-6.2%

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

‹ April 22, 1999 · Every April 23 · April 26, 1999 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.