The stock market on October 21, 2020
October 21, 2020, a Wednesday. The S&P 500 fell 0.22% to close at 3435.56. Of 3,777 US stocks that traded, 1,410 rose and 2,224 fell.
The S&P 500-0.22%closed at 3435.56
How big a move#18,512of 24,799 trading days since 1928
$100 in the index since$224price only, to September 24, 2026
Stocks that rose1,410of 3,777; 2,224 fell
Biggest companyAppleby market value that day
Biggest rises among the 500 largest companies
| Snap Inc. (SNAP) | +28.3% |
| Pinterest, Inc. (PINS) | +9.0% |
| Twitter (TWTR) | +8.4% |
Biggest falls among the 500 largest companies
| Enphase Energy, Inc. (ENPH) | -12.6% |
| SolarEdge (SEDG) | -9.8% |
| Wayfair Inc. (W) | -8.2% |
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.