Underfolio

Every trading day › 1978

The stock market on April 11, 1978

April 11, 1978, a Tuesday. The S&P 500 fell 0.27% to close at 90.25. Of 4,573 US stocks that traded, 1,161 rose and 1,259 fell.

The S&P 500-0.27%closed at 90.25
How big a move#17,325of 24,799 trading days since 1928
$100 in the index since$8,536price only, to September 24, 2026
Stocks that rose1,161of 4,573; 1,259 fell
Biggest companyAT&T Corporationby market value that day

Biggest rises among the 500 largest companies

Newmont Mining (NEM)+4.2%
Boeing (BA)+3.2%
Studebaker-Worthington Inc (SKW)+3.2%

Biggest falls among the 500 largest companies

Cameron Iron Works (CIW)-4.4%
Pittston Brinks (PZB)-4.0%
Richardson-Vicks Inc (RVI)-3.3%

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

‹ April 10, 1978 · Every April 11 · April 12, 1978 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.