Underfolio

Every trading day › 2017

The stock market on January 20, 2017

January 20, 2017, a Friday. The S&P 500 rose 0.34% to close at 2271.31. Of 3,787 US stocks that traded, 2,257 rose and 1,262 fell.

The S&P 500+0.34%closed at 2271.31
How big a move#15,680of 24,799 trading days since 1928
$100 in the index since$339price only, to September 24, 2026
Stocks that rose2,257of 3,787; 1,262 fell
Biggest companyAppleby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Skyworks (SWKS)+13.0%
CF Industries Holdings (CF)+6.0%
Qorvo, Inc. (QRVO)+4.7%

Biggest falls among the 500 largest companies

RiteAid (RAD)-13.3%
Bristol-Myers Squibb (BMY)-11.3%
Transdigm Group Incorporated Transdigm Group Inc. (TDG)-9.9%

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

‹ January 19, 2017 · Every January 20 · January 23, 2017 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.