Session brief · Wednesday, August 19, 2026 close

Stocks edged higher. 2,696 rose, 1,977 fell — but financials lagged.

7 of 11 sectors finished higher. Healthcare led at +4.73%; Financials lagged at -0.64%.

The biggest liquid gainer was Moderna (MRNA), up 177.0% in healthcare.

Among benchmarks, IWM (Russell 2000) did best at +0.50% and QQQ (Nasdaq-100) did worst at -0.20%.

Written from 4,792 common stocksSource: Massive / Polygon daily aggregatesHow the brief is written
Market breadth
4,792 common stocks · previous-session close
▲ 2,696 advancing (56.3%)119 unchanged▼ 1,977 declining (41.3%)

Sectors, cap-weighted

SectorChangeRisingFalling
Healthcare+4.73%596203
Consumer Staples+1.62%7733
Communication Services+1.57%7243
Consumer Discretionary+1.24%305218
Real Estate+0.99%17337
Materials+0.83%15282
Industrials+0.17%206186
Energy−0.08%7051
Utilities−0.20%5558
Technology−0.52%291291
Financials−0.64%222449

Benchmarks

FundCloseChange
SPYS&P 500769.06+0.21%
QQQNasdaq-100716.08−0.20%
IWMRussell 2000301.72+0.50%
DIADow 30534.27+0.26%

Top gainers

Top losers

Most active

Common stocks · $2+ · 500K+ shares · $100M+ market cap · previous-session close. Changes compare the Aug 19, 2026 close with Aug 18, 2026; stocks with unexplained price jumps are excluded.

Stock Market on Wednesday, August 19, 2026: What Moved | Gainbot