Underfolio

Every trading day › 2013

The stock market on January 23, 2013

January 23, 2013, a Wednesday. The S&P 500 rose 0.15% to close at 1494.81. Of 3,868 US stocks that traded, 1,503 rose and 2,131 fell.

The S&P 500+0.15%closed at 1494.81
How big a move#20,461of 24,799 trading days since 1928
$100 in the index since$515price only, to September 24, 2026
Stocks that rose1,503of 3,868; 2,131 fell
Biggest companyAppleby market value that day

Biggest rises among the 500 largest companies

Intuitive Surgical, Inc. (ISRG)+9.4%
WestRock (RKT)+8.1%
Netflix (NFLX)+5.6%

Biggest falls among the 500 largest companies

Coach (COH)-16.4%
Quest Diagnostics (DGX)-5.5%
Alexion Pharmaceuticals (ALXN)-4.6%

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

‹ January 22, 2013 · Every January 23 · January 24, 2013 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.