Underfolio

Every trading day › 2021

The stock market on January 15, 2021

January 15, 2021, a Friday. The S&P 500 fell 0.72% to close at 3768.25. Of 3,905 US stocks that traded, 1,121 rose and 2,698 fell.

The S&P 500-0.72%closed at 3768.25
How big a move#9,027of 24,799 trading days since 1928
$100 in the index since$204price only, to September 24, 2026
Stocks that rose1,121of 3,905; 2,698 fell
Biggest companyAppleby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Seattle Genetics, Inc. (SGEN)+5.6%
Abiomed (ABMD)+3.6%
Akamai Technologies, Inc. (AKAM)+3.5%

Biggest falls among the 500 largest companies

SolarEdge (SEDG)-15.8%
Contextlogic Inc (WISH)-11.7%
Doordash (DASH)-9.7%

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

‹ January 14, 2021 · Every January 15 · January 19, 2021 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.