Underfolio

Every trading day › 2025

The stock market on March 18, 2025

March 18, 2025, a Tuesday. The S&P 500 fell 1.07% to close at 5614.66. Of 3,532 US stocks that traded, 1,130 rose and 2,315 fell.

The S&P 500-1.07%closed at 5614.66
How big a move#5,511of 24,799 trading days since 1928
$100 in the index since$137price only, to September 24, 2026
Stocks that rose1,130of 3,532; 2,315 fell
Biggest companyApple Inc.by market value that day

Biggest rises among the 500 largest companies

Avantor Inc (AVTR)+3.0%
Viatris Inc (VTRS)+2.9%
Antero Resources Corp (AR)+2.5%

Biggest falls among the 500 largest companies

Reddit, Inc. (RDDT)-12.3%
Supermicro (SMCI)-9.6%
Applovin (APP)-9.1%

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

‹ March 17, 2025 · Every March 18 · March 19, 2025 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.