Underfolio

Every trading day › 2025

The stock market on August 20, 2025

August 20, 2025, a Wednesday. The S&P 500 fell 0.24% to close at 6395.78. Of 3,532 US stocks that traded, 1,493 rose and 1,908 fell.

The S&P 500-0.24%closed at 6395.78
How big a move#17,893of 24,799 trading days since 1928
$100 in the index since$120price only, to September 24, 2026
Stocks that rose1,493of 3,532; 1,908 fell
Biggest companyNvidiaby market value that day

Biggest rises among the 500 largest companies

Analog Devices (ADI)+6.3%
Mckesson Corp (MCK)+3.9%
FactSet (FDS)+3.6%

Biggest falls among the 500 largest companies

Intel (INTC)-7.0%
Target Corporation (TGT)-6.3%
Dell Technologies (DELL)-5.0%

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

‹ August 19, 2025 · Every August 20 · August 21, 2025 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.