Underfolio

Every trading day › 2016

The stock market on December 21, 2016

December 21, 2016, a Wednesday. The S&P 500 fell 0.25% to close at 2265.18. Of 3,792 US stocks that traded, 1,260 rose and 2,298 fell.

The S&P 500-0.25%closed at 2265.18
How big a move#17,818of 24,799 trading days since 1928
$100 in the index since$340price only, to September 24, 2026
Stocks that rose1,260of 3,792; 2,298 fell
Biggest companyAppleby market value that day

Biggest rises among the 500 largest companies

Monster Beverage Corporation (MNST)+4.2%
Centene (CNC)+3.1%
Halliburton (HAL)+3.1%

Biggest falls among the 500 largest companies

Vertex Pharmaceuticals Incorporated (VRTX)-5.0%
New York Community Bancorp, Inc. (NYCB)-4.9%
Twitter (TWTR)-4.7%

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

‹ December 20, 2016 · Every December 21 · December 22, 2016 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.