Underfolio

Every trading day › 2021

The stock market on January 20, 2021

January 20, 2021, a Wednesday. The S&P 500 rose 1.39% to close at 3851.85. Of 3,910 US stocks that traded, 2,038 rose and 1,788 fell.

The S&P 500+1.39%closed at 3851.85
How big a move#3,544of 24,799 trading days since 1928
$100 in the index since$200price only, to September 24, 2026
Stocks that rose2,038of 3,910; 1,788 fell
Biggest companyAppleby market value that day

Biggest rises among the 500 largest companies

Netflix (NFLX)+16.9%
Ford Motor (F)+8.4%
Dynatrace, Inc. (DT)+8.0%

Biggest falls among the 500 largest companies

Bank of New York Co. (BK)-7.3%
Quantumscape (QS)-7.2%
Airbnb (ABNB)-6.8%

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

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

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.