Underfolio

Every trading day › 2021

The stock market on September 27, 2021

September 27, 2021, a Monday. The S&P 500 fell 0.28% to close at 4443.11. Of 4,345 US stocks that traded, 2,875 rose and 1,322 fell.

The S&P 500-0.28%closed at 4443.11
How big a move#17,051of 24,799 trading days since 1928
$100 in the index since$173price only, to September 24, 2026
Stocks that rose2,875of 4,345; 1,322 fell
Biggest companyAppleby market value that day

Biggest rises among the 500 largest companies

Diamondback Energy, Inc. - Commmon Stock (FANG)+7.6%
Occidental Petroleum (OXY)+7.4%
Continental Resources, Inc. (CLR)+6.4%

Biggest falls among the 500 largest companies

Novavax, Inc. (NVAX)-6.9%
Cloudflare, Inc. (NET)-5.8%
Charles River Laboratories International, Inc. (CRL)-5.6%

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

‹ September 24, 2021 · Every September 27 · September 28, 2021 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.