Underfolio

Every trading day › 2018

The stock market on January 23, 2018

January 23, 2018, a Tuesday. The S&P 500 rose 0.22% to close at 2839.13. Of 3,745 US stocks that traded, 1,850 rose and 1,658 fell.

The S&P 500+0.22%closed at 2839.13
How big a move#18,570of 24,799 trading days since 1928
$100 in the index since$271price only, to September 24, 2026
Stocks that rose1,850of 3,745; 1,658 fell
Biggest companyAppleby market value that day

Biggest rises among the 500 largest companies

ResMed Inc. (RMD)+14.7%
Netflix (NFLX)+10.0%
Travelers Cos. (TRV)+5.0%

Biggest falls among the 500 largest companies

Universal Display Corporation (OLED)-4.9%
Johnson & Johnson (JNJ)-4.3%
Procter & Gamble (PG)-3.1%

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

‹ January 22, 2018 · Every January 23 · January 24, 2018 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.