Underfolio

Every trading day › 1988

The stock market on June 20, 1988

June 20, 1988, a Monday. The S&P 500 fell 0.64% to close at 268.94. Of 6,200 US stocks that traded, 1,727 rose and 1,964 fell.

The S&P 500-0.64%closed at 268.94
How big a move#10,096of 24,799 trading days since 1928
$100 in the index since$2,865price only, to September 24, 2026
Stocks that rose1,727of 6,200; 1,964 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

First Boston Inc (FBC)+9.3%
Santa Fe Pacific Corp. (SFX)+5.4%
Stone Container (STO)+4.4%

Biggest falls among the 500 largest companies

Farmers Group Inc (FGRP.)-8.5%
Maytag (MYG)-6.6%
Air Products & Chem. (APD)-4.3%

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

‹ June 17, 1988 · Every June 20 · June 21, 1988 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.