Underfolio

Every trading day › 2021

The stock market on April 20, 2021

April 20, 2021, a Tuesday. The S&P 500 fell 0.68% to close at 4134.94. Of 4,115 US stocks that traded, 891 rose and 3,108 fell.

The S&P 500-0.68%closed at 4134.94
How big a move#9,551of 24,799 trading days since 1928
$100 in the index since$186price only, to September 24, 2026
Stocks that rose891of 4,115; 3,108 fell
Biggest companyAppleby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Kansas City Southern (KSU)+15.3%
Enphase Energy, Inc. (ENPH)+4.2%
International Business Machines Corporation (IBM)+3.8%

Biggest falls among the 500 largest companies

United Continental Holdings (UAL)-8.5%
Coupang (CPNG)-6.8%
Novavax, Inc. (NVAX)-6.0%

Stock moves count dividends; the index is price only. Market values after 2024 are estimates.

‹ April 19, 2021 · Every April 20 · April 21, 2021 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.