Underfolio

Every trading day › 2023

The stock market on April 21, 2023

April 21, 2023, a Friday. The S&P 500 rose 0.09% to close at 4133.52. Of 4,262 US stocks that traded, 1,904 rose and 2,171 fell.

The S&P 500+0.09%closed at 4133.52
How big a move#22,111of 24,799 trading days since 1928
$100 in the index since$186price only, to September 24, 2026
Stocks that rose1,904of 4,262; 2,171 fell
Biggest companyAppleby market value that day

Biggest rises among the 500 largest companies

ShockWave Medical, Inc. (SWAV)+10.2%
Baxter International (BAX)+4.7%
HCA Healthcare, Inc. (HCA)+3.9%

Biggest falls among the 500 largest companies

Albemarle Corporation (ALB)-10.0%
W.R. Berkley (WRB)-9.2%
BB&T Corp. (TFC)-6.0%

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

‹ April 20, 2023 · Every April 21 · April 24, 2023 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.