The stock market on September 21, 1998
September 21, 1998, a Monday. The S&P 500 rose 0.37% to close at 1023.89. Of 7,256 US stocks that traded, 2,531 rose and 3,539 fell.
The S&P 500+0.37%closed at 1023.89
How big a move#14,954of 24,799 trading days since 1928
$100 in the index since$752price only, to September 24, 2026
Stocks that rose2,531of 7,256; 3,539 fell
Biggest companyMicrosoftby market value that day
Last day of trading for5stocks
Biggest rises among the 500 largest companies
| Biogen Inc-Old (BGEN) | +10.3% |
| Seagate Technology (SEG) | +7.5% |
| Linear Technology (LLTC) | +7.4% |
Biggest falls among the 500 largest companies
| Boston Scientific (BSX) | -8.6% |
| Praxair (PX) | -7.9% |
| T. Rowe Price Group, Inc. (TROW) | -7.1% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 18, 1998 · Every September 21 · September 22, 1998 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.