Underfolio

Every trading day › 2017

The stock market on August 23, 2017

August 23, 2017, a Wednesday. The S&P 500 fell 0.35% to close at 2444.04. Of 3,777 US stocks that traded, 1,478 rose and 2,027 fell.

The S&P 500-0.35%closed at 2444.04
How big a move#15,503of 24,799 trading days since 1928
$100 in the index since$315price only, to September 24, 2026
Stocks that rose1,478of 3,777; 2,027 fell
Biggest companyAppleby market value that day

Biggest rises among the 500 largest companies

Xilinx (XLNX)+4.3%
Snap Inc. (SNAP)+3.9%
Tesla (TSLA)+3.4%

Biggest falls among the 500 largest companies

Omnicom Group (OMC)-7.0%
Interpublic Group (IPG)-6.3%
Coty (COTY)-5.5%

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

‹ August 22, 2017 · Every August 23 · August 24, 2017 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.