Underfolio

Every trading day › 2016

The stock market on October 21, 2016

October 21, 2016, a Friday. The S&P 500 fell 0.01% to close at 2141.16. Of 3,818 US stocks that traded, 1,565 rose and 2,001 fell.

The S&P 500-0.01%closed at 2141.16
How big a move#24,356of 24,799 trading days since 1928
$100 in the index since$360price only, to September 24, 2026
Stocks that rose1,565of 3,818; 2,001 fell
Biggest companyAppleby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Reynolds American (RAI)+14.0%
PayPal Holdings, Inc. (PYPL)+10.1%
Time Warner (TWX)+7.8%

Biggest falls among the 500 largest companies

Moody's Corporation (MCO)-5.4%
Cerner (CERN)-4.2%
Range Resources Corporation (RRC)-3.6%

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

‹ October 20, 2016 · Every October 21 · October 24, 2016 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.