Underfolio

Every trading day › 2015

The stock market on December 31, 2015

December 31, 2015, a Thursday. The S&P 500 fell 0.94% to close at 2043.94. Of 3,945 US stocks that traded, 1,156 rose and 2,623 fell.

The S&P 500-0.94%closed at 2043.94
How big a move#6,573of 24,799 trading days since 1928
$100 in the index since$377price only, to September 24, 2026
Stocks that rose1,156of 3,945; 2,623 fell
Biggest companyAppleby market value that day
Last day of trading for5stocks

Biggest rises among the 500 largest companies

Williams (WMB)+5.3%
Twitter (TWTR)+4.1%
Cabot Oil & Gas (COG)+4.0%

Biggest falls among the 500 largest companies

CDK Global, Inc. (CDK)-3.1%
Skyworks (SWKS)-3.0%
CDW Corporation (CDW)-2.8%

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

‹ December 30, 2015 · Every December 31 · January 4, 2016 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.