The stock market on September 27, 1999
September 27, 1999, a Monday. The S&P 500 rose 0.47% to close at 1283.31. Of 6,757 US stocks that traded, 3,105 rose and 2,582 fell.
The S&P 500+0.47%closed at 1283.31
How big a move#13,063of 24,799 trading days since 1928
$100 in the index since$600price only, to September 24, 2026
Stocks that rose3,105of 6,757; 2,582 fell
Biggest companyMicrosoftby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Alteon Websystems Inc (ATON.) | +49.5% |
| Newmont Mining (NEM) | +21.3% |
| Cmgi Inc (CMGI) | +9.8% |
Biggest falls among the 500 largest companies
| Phone.Com Inc (PHCM) | -7.4% |
| Priceline.com (PCLN) | -5.9% |
| Apple (AAPL) | -5.6% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 24, 1999 · Every September 27 · September 28, 1999 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.