Underfolio

Every trading day › 2018

The stock market on January 31, 2018

January 31, 2018, a Wednesday. The S&P 500 rose 0.05% to close at 2823.81. Of 3,747 US stocks that traded, 1,253 rose and 2,289 fell.

The S&P 500+0.05%closed at 2823.81
How big a move#23,348of 24,799 trading days since 1928
$100 in the index since$273price only, to September 24, 2026
Stocks that rose1,253of 3,747; 2,289 fell
Biggest companyAppleby market value that day
Last day of trading for4stocks

Biggest rises among the 500 largest companies

Knight-Swift Transportation Holdings Inc. (KNX)+9.8%
Take-Two Interactive Software, Inc. (TTWO)+7.1%
Electronic Arts Inc. (EA)+7.0%

Biggest falls among the 500 largest companies

Juniper Networks (JNPR)-7.7%
Eli Lilly (LLY)-5.4%
Best Buy (BBY)-4.2%

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

‹ January 30, 2018 · Every January 31 · February 1, 2018 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.