The stock market on October 12, 2021
October 12, 2021, a Tuesday. The S&P 500 fell 0.24% to close at 4350.65. Of 4,362 US stocks that traded, 2,504 rose and 1,679 fell.
The S&P 500-0.24%closed at 4350.65
How big a move#17,932of 24,799 trading days since 1928
$100 in the index since$177price only, to September 24, 2026
Stocks that rose2,504of 4,362; 1,679 fell
Biggest companyAppleby market value that day
Biggest rises among the 500 largest companies
| Ginkgo Bioworks (DNA) | +14.4% |
| HubSpot, Inc. (HUBS) | +11.1% |
| MGM Resorts International (MGM) | +9.6% |
Biggest falls among the 500 largest companies
| Avantor, Inc. (AVTR) | -8.2% |
| HP Inc. (HPQ) | -4.1% |
| Robinhood (HOOD) | -3.7% |
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.