Underfolio

Every trading day › 2016

The stock market on August 18, 2016

August 18, 2016, a Thursday. The S&P 500 rose 0.22% to close at 2187.02. Of 3,838 US stocks that traded, 2,548 rose and 1,098 fell.

The S&P 500+0.22%closed at 2187.02
How big a move#18,507of 24,799 trading days since 1928
$100 in the index since$352price only, to September 24, 2026
Stocks that rose2,548of 3,838; 1,098 fell
Biggest companyAppleby market value that day

Biggest rises among the 500 largest companies

NetApp (NTAP)+17.4%
Williams (WMB)+7.9%
Encana Corp (ECA)+6.7%

Biggest falls among the 500 largest companies

Twitter (TWTR)-5.8%
Agilent Technologies (A)-3.5%
Viacom (VIAB)-2.1%

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

‹ August 17, 2016 · Every August 18 · August 19, 2016 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.