Underfolio

Every trading day › 1984

The stock market on January 16, 1984

January 16, 1984, a Monday. The S&P 500 rose 0.10% to close at 167.18. Of 5,630 US stocks that traded, 1,464 rose and 1,876 fell.

The S&P 500+0.10%closed at 167.18
How big a move#21,959of 24,799 trading days since 1928
$100 in the index since$4,608price only, to September 24, 2026
Stocks that rose1,464of 5,630; 1,876 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Computervision Corp (CVN)+10.0%
Digital Equipment (DEC)+9.8%
Rolm (RM)+8.1%

Biggest falls among the 500 largest companies

Unicom (UCM)-13.8%
FirstEnergy (FE)-7.4%
PG&E Corp. (PCG)-5.0%

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

‹ January 13, 1984 · Every January 16 · January 17, 1984 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.