Underfolio

Every trading day › 1988

The stock market on February 18, 1988

February 18, 1988, a Thursday. The S&P 500 fell 0.50% to close at 257.91. Of 6,279 US stocks that traded, 1,942 rose and 1,862 fell.

The S&P 500-0.50%closed at 257.91
How big a move#12,426of 24,799 trading days since 1928
$100 in the index since$2,987price only, to September 24, 2026
Stocks that rose1,942of 6,279; 1,862 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Usg Corp. (USG)+9.6%
Rhone-Poulenc Rorer (RPR)+8.7%
Navistar International (NAV)+5.6%

Biggest falls among the 500 largest companies

Phelps Dodge (PD)-5.3%
Ford Motor (F)-5.1%
SunTrust Banks (STI)-4.3%

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

‹ February 17, 1988 · Every February 18 · February 19, 1988 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.