Session brief · Tuesday, August 11, 2026 close

Stocks edged lower. 2,664 rose, 2,014 fell — and energy bucked the tape.

6 of 11 sectors finished lower. Energy led at +1.13%; Technology lagged at -1.07%.

The biggest liquid gainer was Quantum (QMCO), up 64.7% in technology.

Among benchmarks, IWM (Russell 2000) did best at +0.34% and QQQ (Nasdaq-100) did worst at -0.34%.

Written from 4,804 common stocksSource: Massive / Polygon daily aggregatesHow the brief is written
Market breadth
4,804 common stocks · previous-session close
▲ 2,664 advancing (55.5%)126 unchanged▼ 2,014 declining (41.9%)

Sectors, cap-weighted

SectorChangeRisingFalling
Energy+1.13%9228
Utilities+0.77%8627
Industrials+0.58%225168
Materials+0.27%14491
Communication Services+0.08%5660
Healthcare−0.04%428364
Financials−0.23%444221
Consumer Staples−0.28%5850
Consumer Discretionary−0.41%274253
Real Estate−0.58%104113
Technology−1.07%334251

Benchmarks

FundCloseChange
SPYS&P 500770.56−0.32%
QQQNasdaq-100718.45−0.34%
IWMRussell 2000300.99+0.34%
DIADow 30537.28−0.32%

Top gainers

Top losers

Most active

Common stocks · $2+ · 500K+ shares · $100M+ market cap · previous-session close. Changes compare the Aug 11, 2026 close with Aug 10, 2026; stocks with unexplained price jumps are excluded.

Stock Market on Tuesday, August 11, 2026: What Moved | Gainbot