Underfolio

Every trading day › 2025

The stock market on June 23, 2025

June 23, 2025, a Monday. The S&P 500 rose 0.96% to close at 6025.17. Of 3,532 US stocks that traded, 2,172 rose and 1,274 fell.

The S&P 500+0.96%closed at 6025.17
How big a move#6,384of 24,799 trading days since 1928
$100 in the index since$128price only, to September 24, 2026
Stocks that rose2,172of 3,532; 1,274 fell
Biggest companyMicrosoftby market value that day

Biggest rises among the 500 largest companies

Rocket Lab USA (RKLB)+9.1%
Tesla, Inc. (TSLA)+8.2%
Northern Trust (NTRS)+8.0%

Biggest falls among the 500 largest companies

Supermicro (SMCI)-9.8%
Astera Labs, Inc. (ALAB)-7.7%
Halliburton (HAL)-6.8%

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

‹ June 20, 2025 · Every June 23 · June 24, 2025 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.