Underfolio

Every trading day › 2026

The stock market on August 28, 2026

August 28, 2026, a Friday. The S&P 500 fell 0.25% to close at 7711.76. Of 3,331 US stocks that traded, 1,196 rose and 2,010 fell.

The S&P 500-0.25%closed at 7711.76
How big a move#17,758of 24,799 trading days since 1928
$100 in the index since$99.90price only, to September 24, 2026
Stocks that rose1,196of 3,331; 2,010 fell
Biggest companyNvidiaby market value that day

Biggest rises among the 500 largest companies

Workday, Inc. (WDAY)+5.8%
Lululemon Athletica (LULU)+5.1%
Amazon (AMZN)+4.0%

Biggest falls among the 500 largest companies

PayPal (PYPL)-12.7%
Marvell Technology Group Ltd (MRVL)-10.3%
PG&E Corporation (PCG)-7.5%

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

‹ August 27, 2026 · Every August 28 · August 31, 2026 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.