Underfolio

Every trading day › 2025

The stock market on October 27, 2025

October 27, 2025, a Monday. The S&P 500 rose 1.23% to close at 6875.16. Of 3,532 US stocks that traded, 1,576 rose and 1,847 fell.

The S&P 500+1.23%closed at 6875.16
How big a move#4,388of 24,799 trading days since 1928
$100 in the index since$112price only, to September 24, 2026
Stocks that rose1,576of 3,532; 1,847 fell
Biggest companyNvidiaby market value that day

Biggest rises among the 500 largest companies

Bridgebio Pharma Inc (BBIO)+17.1%
Qualcomm (QCOM)+11.1%
Lumentum Holdings Inc (LITE)+8.1%

Biggest falls among the 500 largest companies

Newmont (NEM)-5.7%
Ford Motor Company (F)-4.2%
West Pharmaceutical Services (WST)-3.5%

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

‹ October 24, 2025 · Every October 27 · October 28, 2025 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.