Underfolio

Every trading day › 2021

The stock market on May 12, 2021

May 12, 2021, a Wednesday. The S&P 500 fell 2.14% to close at 4063.04. Of 4,188 US stocks that traded, 682 rose and 3,387 fell.

The S&P 500-2.14%closed at 4063.04
How big a move#1,445of 24,799 trading days since 1928
$100 in the index since$190price only, to September 24, 2026
Stocks that rose682of 4,188; 3,387 fell
Biggest companyAppleby market value that day

Biggest rises among the 500 largest companies

Bentley Systems (BSY)+7.5%
Symantec (NLOK)+7.2%
Oak Str Hlth (OSH)+5.8%

Biggest falls among the 500 largest companies

Doordash (DASH)-9.3%
Caesars Entertainment Corporation (CZR)-8.3%
Wayfair Inc. (W)-8.1%

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

‹ May 11, 2021 · Every May 12 · May 13, 2021 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.