Session brief · Friday, August 21, 2026 close

Stocks rose. 2,921 rose, 1,711 fell — but utilities lagged.

9 of 11 sectors finished higher. Materials led at +2.15%; Utilities lagged at -1.67%.

The biggest liquid gainer was RF Acquisition Corp II (RFAI), up 355.6% in financials.

Among benchmarks, DIA (Dow 30) did best at +0.89% and QQQ (Nasdaq-100) did worst at +0.35%.

Written from 4,777 common stocksSource: Massive / Polygon daily aggregatesHow the brief is written
Market breadth
4,777 common stocks · previous-session close
▲ 2,921 advancing (61.1%)145 unchanged▼ 1,711 declining (35.8%)

Sectors, cap-weighted

SectorChangeRisingFalling
Materials+2.15%17065
Healthcare+1.29%504279
Consumer Discretionary+0.98%361163
Financials+0.96%452210
Industrials+0.68%268122
Communication Services+0.51%7146
Technology+0.46%372201
Consumer Staples+0.42%6245
Energy0.00%5565
Real Estate−0.17%91114
Utilities−1.67%1993

Benchmarks

FundCloseChange
SPYS&P 500765.72+0.41%
QQQNasdaq-100713.44+0.35%
IWMRussell 2000299.96+0.77%
DIADow 30532.22+0.89%

Top gainers

Top losers

Most active

Common stocks · $2+ · 500K+ shares · $100M+ market cap · previous-session close. Changes compare the Aug 21, 2026 close with Aug 20, 2026; stocks with unexplained price jumps are excluded.

Stock Market on Friday, August 21, 2026: What Moved | Gainbot