Underfolio

Every trading day › 1986

The stock market on May 13, 1986

May 13, 1986, a Tuesday. The S&P 500 fell 0.49% to close at 236.41. Of 5,763 US stocks that traded, 1,523 rose and 2,142 fell.

The S&P 500-0.49%closed at 236.41
How big a move#12,589of 24,799 trading days since 1928
$100 in the index since$3,259price only, to September 24, 2026
Stocks that rose1,523of 5,763; 2,142 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Charming Shoppes Inc (CHRS)+6.1%
Brunswick (BC)+5.0%
Walmart (WMT)+4.6%

Biggest falls among the 500 largest companies

Fortune Brands (FO)-4.7%
KeySpan (KSE)-4.3%
Chrysler Corp (C)-4.2%

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

‹ May 12, 1986 · Every May 13 · May 14, 1986 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.