Underfolio

Every trading day › 2023

The stock market on October 30, 2023

October 30, 2023, a Monday. The S&P 500 rose 1.20% to close at 4166.82. Of 4,123 US stocks that traded, 2,683 rose and 1,328 fell.

The S&P 500+1.20%closed at 4166.82
How big a move#4,548of 24,799 trading days since 1928
$100 in the index since$185price only, to September 24, 2026
Stocks that rose2,683of 4,123; 1,328 fell
Biggest companyAppleby market value that day

Biggest rises among the 500 largest companies

Western Digital (WDC)+7.3%
Vertiv Holdg (VRT)+5.1%
Charter Communications (CHTR)+4.8%

Biggest falls among the 500 largest companies

ON Semiconductor Corporation (ON)-21.8%
PerkinElmer, Inc. (PKI)-16.1%
Albemarle Corporation (ALB)-5.2%

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

‹ October 27, 2023 · Every October 30 · October 31, 2023 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.