Underfolio

Every trading day › 2020

The stock market on October 15, 2020

October 15, 2020, a Thursday. The S&P 500 fell 0.15% to close at 3483.34. Of 3,768 US stocks that traded, 2,314 rose and 1,341 fell.

The S&P 500-0.15%closed at 3483.34
How big a move#20,409of 24,799 trading days since 1928
$100 in the index since$221price only, to September 24, 2026
Stocks that rose2,314of 3,768; 1,341 fell
Biggest companyAppleby market value that day

Biggest rises among the 500 largest companies

Bentley Systems Inc (BSY)+5.4%
Zoom Video Communications, Inc. (ZM)+5.3%
Carvana Co. (CVNA)+5.2%

Biggest falls among the 500 largest companies

Vertex Pharmaceuticals Incorporated (VRTX)-20.7%
The Trade Desk, Inc. (TTD)-8.3%
Deac Merger Corp (DKNG)-5.4%

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

‹ October 14, 2020 · Every October 15 · October 16, 2020 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.