Underfolio

Every trading day › 2015

The stock market on September 18, 2015

September 18, 2015, a Friday. The S&P 500 fell 1.62% to close at 1958.03. Of 3,971 US stocks that traded, 1,112 rose and 2,719 fell.

The S&P 500-1.62%closed at 1958.03
How big a move#2,632of 24,799 trading days since 1928
$100 in the index since$393price only, to September 24, 2026
Stocks that rose1,112of 3,971; 2,719 fell
Biggest companyAppleby market value that day

Biggest rises among the 500 largest companies

Bristol-Myers Squibb (BMY)+3.5%
Linkedin Corp (LNKD)+3.1%
AbbVie (ABBV)+2.3%

Biggest falls among the 500 largest companies

Freeport-McMoRan (FCX)-9.7%
Vertex Pharmaceuticals Incorporated (VRTX)-8.2%
Western Digital (WDC)-6.0%

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

‹ September 17, 2015 · Every September 18 · September 21, 2015 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.