The stock market on September 17, 2021
September 17, 2021, a Friday. The S&P 500 fell 0.91% to close at 4432.99. Of 4,328 US stocks that traded, 2,055 rose and 2,134 fell.
The S&P 500-0.91%closed at 4432.99
How big a move#6,831of 24,799 trading days since 1928
$100 in the index since$174price only, to September 24, 2026
Stocks that rose2,055of 4,328; 2,134 fell
Biggest companyAppleby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Lucid Group (LCID) | +8.5% |
| Ginkgo Bioworks (DNA) | +6.7% |
| Thermo Fisher Scientific (TMO) | +6.5% |
Biggest falls among the 500 largest companies
| Intl. Flavors & Frag. (IFF) | -5.5% |
| Copart, Inc. (CPRT) | -5.5% |
| Nucor (NUE) | -4.5% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 16, 2021 · Every September 17 · September 20, 2021 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.