Underfolio

Every trading day › 2012

The stock market on December 20, 2012

December 20, 2012, a Thursday. The S&P 500 rose 0.55% to close at 1443.69. Of 3,879 US stocks that traded, 2,330 rose and 1,282 fell.

The S&P 500+0.55%closed at 1443.69
How big a move#11,611of 24,799 trading days since 1928
$100 in the index since$534price only, to September 24, 2026
Stocks that rose2,330of 3,879; 1,282 fell
Biggest companyAppleby market value that day
Last day of trading for3stocks

Biggest rises among the 500 largest companies

NYSE Euronext (NYX)+34.1%
CarMax (KMX)+9.0%
Illumina, Inc. (ILMN)+7.8%

Biggest falls among the 500 largest companies

Bed Bath & Beyond (BBBY)-6.5%
Intuitive Surgical, Inc. (ISRG)-5.3%
Merck (MRK)-3.4%

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

‹ December 19, 2012 · Every December 20 · December 21, 2012 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.