Underfolio

Every trading day › 2023

The stock market on December 18, 2023

December 18, 2023, a Monday. The S&P 500 rose 0.45% to close at 4740.56. Of 4,065 US stocks that traded, 1,848 rose and 2,113 fell.

The S&P 500+0.45%closed at 4740.56
How big a move#13,326of 24,799 trading days since 1928
$100 in the index since$163price only, to September 24, 2026
Stocks that rose1,848of 4,065; 2,113 fell
Biggest companyAppleby market value that day
Last day of trading for4stocks

Biggest rises among the 500 largest companies

United States Steel (X)+26.1%
Super Micro Computer, Inc. (SMCI)+7.4%
Rivian (RIVN)+4.3%

Biggest falls among the 500 largest companies

Coupang (CPNG)-5.1%
Archer Daniels Midland (ADM)-4.5%
M&T Bank Corp. (MTB)-3.9%

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

‹ December 15, 2023 · Every December 18 · December 19, 2023 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.