The stock market on October 27, 2021
October 27, 2021, a Wednesday. The S&P 500 fell 0.51% to close at 4551.68. Of 4,385 US stocks that traded, 927 rose and 3,323 fell.
The S&P 500-0.51%closed at 4551.68
How big a move#12,356of 24,799 trading days since 1928
$100 in the index since$169price only, to September 24, 2026
Stocks that rose927of 4,385; 3,323 fell
Biggest companyAppleby market value that day
Biggest rises among the 500 largest companies
| Enphase Energy, Inc. (ENPH) | +24.6% |
| SolarEdge (SEDG) | +9.1% |
| Teradyne, Inc. (TER) | +6.9% |
Biggest falls among the 500 largest companies
| Rollins (ROL) | -10.8% |
| Twitter (TWTR) | -10.8% |
| Robinhood (HOOD) | -10.4% |
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.