Underfolio

Every trading day › 2021

The stock market on August 13, 2021

August 13, 2021, a Friday. The S&P 500 rose 0.16% to close at 4468.00. Of 4,307 US stocks that traded, 1,365 rose and 2,791 fell.

The S&P 500+0.16%closed at 4468.00
How big a move#20,176of 24,799 trading days since 1928
$100 in the index since$172price only, to September 24, 2026
Stocks that rose1,365of 4,307; 2,791 fell
Biggest companyAppleby market value that day

Biggest rises among the 500 largest companies

Upstart Holdings (UPST)+14.1%
eBay (EBAY)+7.4%
Robinhood (HOOD)+5.3%

Biggest falls among the 500 largest companies

The Trade Desk, Inc. (TTD)-5.5%
Plug Power, Inc. (PLUG)-5.4%
Diamondback Energy, Inc. - Commmon Stock (FANG)-4.7%

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

‹ August 12, 2021 · Every August 13 · August 16, 2021 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.