The stock market on May 18, 2021
May 18, 2021, a Tuesday. The S&P 500 fell 0.85% to close at 4127.83. Of 4,197 US stocks that traded, 1,767 rose and 2,282 fell.
The S&P 500-0.85%closed at 4127.83
How big a move#7,434of 24,799 trading days since 1928
$100 in the index since$187price only, to September 24, 2026
Stocks that rose1,767of 4,197; 2,282 fell
Biggest companyAppleby market value that day
Biggest rises among the 500 largest companies
| Plug Power, Inc. (PLUG) | +8.3% |
| Uipath (PATH) | +7.7% |
| Coupang (CPNG) | +5.9% |
Biggest falls among the 500 largest companies
| AT&T Inc. (T) | -5.8% |
| Western Digital (WDC) | -4.2% |
| Coinbase Global (COIN) | -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.