Underfolio

Every trading day › 2020

The stock market on September 18, 2020

September 18, 2020, a Friday. The S&P 500 fell 1.12% to close at 3319.47. Of 3,740 US stocks that traded, 1,594 rose and 2,050 fell.

The S&P 500-1.12%closed at 3319.47
How big a move#5,085of 24,799 trading days since 1928
$100 in the index since$232price only, to September 24, 2026
Stocks that rose1,594of 3,740; 2,050 fell
Biggest companyAppleby market value that day

Biggest rises among the 500 largest companies

Wayfair Inc. (W)+7.7%
Zoom Video Communications, Inc. (ZM)+6.2%
Oak Street Health Inc (OSH)+5.9%

Biggest falls among the 500 largest companies

Beyond Meat, Inc. (BYND)-5.2%
Marriott International (MAR)-4.3%
Waters Corporation (WAT)-4.1%

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

‹ September 17, 2020 · Every September 18 · September 21, 2020 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.