Underfolio

Every trading day › 1991

The stock market on April 30, 1991

April 30, 1991, a Tuesday. The S&P 500 rose 0.45% to close at 375.34. Of 5,677 US stocks that traded, 1,535 rose and 2,110 fell.

The S&P 500+0.45%closed at 375.34
How big a move#13,387of 24,799 trading days since 1928
$100 in the index since$2,053price only, to September 24, 2026
Stocks that rose1,535of 5,677; 2,110 fell
Biggest companyExxon Mobilby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Autodesk, Inc. (ADSK)+8.3%
General Motors (GM)+5.1%
PepsiCo (PEP)+4.5%

Biggest falls among the 500 largest companies

Mellon Financial (MEL)-8.5%
Storage Technology (STK)-7.4%
United States Surgical Corporation (USS)-6.4%

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

‹ April 29, 1991 · Every April 30 · May 1, 1991 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.