Underfolio

Every trading day › 2015

The stock market on September 23, 2015

September 23, 2015, a Wednesday. The S&P 500 fell 0.20% to close at 1938.76. Of 3,969 US stocks that traded, 1,555 rose and 2,218 fell.

The S&P 500-0.20%closed at 1938.76
How big a move#18,897of 24,799 trading days since 1928
$100 in the index since$397price only, to September 24, 2026
Stocks that rose1,555of 3,969; 2,218 fell
Biggest companyAppleby market value that day

Biggest rises among the 500 largest companies

Andeavor (TSO)+4.9%
DexCom, Inc. (DXCM)+3.2%
New York Community Bancorp, Inc. (NYCB)+2.7%

Biggest falls among the 500 largest companies

CF Industries Holdings (CF)-6.6%
Mosaic (MOS)-5.6%
Freeport-McMoRan (FCX)-5.6%

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

‹ September 22, 2015 · Every September 23 · September 24, 2015 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.