The stock market on September 9, 1999
September 9, 1999, a Thursday. The S&P 500 rose 0.26% to close at 1347.66. Of 6,762 US stocks that traded, 2,823 rose and 2,813 fell.
The S&P 500+0.26%closed at 1347.66
How big a move#17,431of 24,799 trading days since 1928
$100 in the index since$572price only, to September 24, 2026
Stocks that rose2,823of 6,762; 2,813 fell
Biggest companyMicrosoftby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| PeopleSoft, Inc. (PSFT) | +10.8% |
| American Power Conversion (APCC) | +9.6% |
| Smurfit-Stone Container (SSCC) | +9.0% |
Biggest falls among the 500 largest companies
| Priceline.com (PCLN) | -8.1% |
| Frontline Ltd (FRO) | -7.1% |
| Guidant (GDT) | -5.5% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 8, 1999 · Every September 9 · September 10, 1999 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.