Underfolio

Every trading day › 2015

The stock market on October 20, 2015

October 20, 2015, a Tuesday. The S&P 500 fell 0.14% to close at 2030.77. Of 3,970 US stocks that traded, 1,974 rose and 1,813 fell.

The S&P 500-0.14%closed at 2030.77
How big a move#20,650of 24,799 trading days since 1928
$100 in the index since$379price only, to September 24, 2026
Stocks that rose1,974of 3,970; 1,813 fell
Biggest companyAppleby market value that day

Biggest rises among the 500 largest companies

Dover (DOV)+6.6%
Monster Beverage Corporation (MNST)+5.2%
SanDisk (SNDK)+4.4%

Biggest falls among the 500 largest companies

Harley-Davidson (HOG)-13.9%
Micron Technology (MU)-10.8%
Whitewave Foods Co (WWAV)-7.1%

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

‹ October 19, 2015 · Every October 20 · October 21, 2015 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.