The stock market on March 18, 2021
March 18, 2021, a Thursday. The S&P 500 fell 1.48% to close at 3915.46. Of 4,021 US stocks that traded, 992 rose and 2,953 fell.
The S&P 500-1.48%closed at 3915.46
How big a move#3,175of 24,799 trading days since 1928
$100 in the index since$197price only, to September 24, 2026
Stocks that rose992of 4,021; 2,953 fell
Biggest companyAppleby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Hartford Financial Services (HIG) | +18.7% |
| Williams-Sonoma, Inc. (WSM) | +18.5% |
| PPL Corporation (PPL) | +6.0% |
Biggest falls among the 500 largest companies
| Roblox (RBLX) | -12.4% |
| Penn Entertainment (PENN) | -10.1% |
| Enphase Energy, Inc. (ENPH) | -9.4% |
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.