The stock market on August 21, 2017
August 21, 2017, a Monday. The S&P 500 rose 0.12% to close at 2428.37. Of 3,778 US stocks that traded, 1,529 rose and 1,981 fell.
The S&P 500+0.12%closed at 2428.37
How big a move#21,381of 24,799 trading days since 1928
$100 in the index since$317price only, to September 24, 2026
Stocks that rose1,529of 3,778; 1,981 fell
Biggest companyAppleby market value that day
Biggest rises among the 500 largest companies
| Freeport-McMoRan (FCX) | +4.1% |
| Alnylam Pharmaceuticals, Inc. (ALNY) | +4.0% |
| Kite Pharma Inc (KITE) | +2.9% |
Biggest falls among the 500 largest companies
| Snap-On (SNA) | -4.2% |
| Ulta Beauty (ULTA) | -4.1% |
| MeadWestvaco (WRK) | -3.5% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
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Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.