The stock market on October 21, 1999
October 21, 1999, a Thursday. The S&P 500 fell 0.45% to close at 1283.61. Of 6,760 US stocks that traded, 2,448 rose and 3,317 fell.
The S&P 500-0.45%closed at 1283.61
How big a move#13,353of 24,799 trading days since 1928
$100 in the index since$600price only, to September 24, 2026
Stocks that rose2,448of 6,760; 3,317 fell
Biggest companyMicrosoftby market value that day
Last day of trading for3stocks
Biggest rises among the 500 largest companies
| Vignette Corp (VIGN) | +32.6% |
| Gateway (GTW) | +19.2% |
| Internap Network (INAP) | +18.8% |
Biggest falls among the 500 largest companies
| International Business Machines Corporation (IBM) | -14.9% |
| Legato Systems Inc (LGTO) | -12.7% |
| Altria Group (MO) | -12.5% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 20, 1999 · Every October 21 · October 22, 1999 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.