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Session brief · Tuesday, October 20, 2026 close

Stocks edged higher. 3,420 rose, 1,516 fell — but technology lagged.

9 of 11 sectors finished higher. Healthcare led at +2.40%; Technology lagged at -0.43%.

The biggest liquid gainer was WISeSat.Space Holdings (SAIQ), up 100.6%.

Among benchmarks, IWM (Russell 2000) did best at +1.66% and QQQ (Nasdaq-100) did worst at -0.10%.

Written from 5,109 common stocksSource: Massive / Polygon daily aggregatesHow the brief is written
Market breadth
5,109 common stocks · previous-session close
▲ 3,420 advancing (66.9%)173 unchanged▼ 1,516 declining (29.7%)

Sectors, cap-weighted

SectorChangeRisingFalling
Healthcare+2.40%665170
Real Estate+1.82%19320
Financials+1.41%591120
Utilities+0.98%8131
Communication Services+0.97%8835
Industrials+0.82%272127
Consumer Discretionary+0.60%362179
Consumer Staples+0.57%7335
Energy+0.15%5369
Materials−0.06%14799
Technology−0.43%403210

Benchmarks

FundCloseChange
SPYS&P 500769.05+0.34%
QQQNasdaq-100717.63−0.10%
IWMRussell 2000275.78+1.66%
DIADow 30524.36+1.05%

Top gainers

SAIQWISeSat.Space HoldingsUnclassified$6.84+100.6%ATGLAlpha Technology Group LimitedUnclassified$6.93+52.6%BRZEBrazeTechnology$45.57+51.7%MYGNMyriad GeneticsHealthcare$5.54+31.6%GOWGOWell Energy TechnologyUnclassified$4.04+29.5%LRMRLarimar TherapeuticsHealthcare$2.44+15.1%

Top losers

RAILFreightCar AmericaConsumer Discretionary$4.02−31.4%FISNDeep FissionUtilities$2.81−23.2%NWCLnewcleoUnclassified$4.28−9.9%SWRDStewardsFinancials$2.35−8.9%DPCDPC HoldingsMaterials$29.12−8.9%ITGITGIndustrials$5.10−8.6%

Most active

MUMicron Technology20.3M shares$896.07−1.0%SPCXSpace Exploration Technologies117.2M shares$147.79−0.1%NVDANvidia79.6M shares$216.47−0.3%AAPLApple35.9M shares$339.50−1.0%TSLATesla32.1M shares$373.71+1.5%METAMeta Platforms17.0M shares$694.25−1.6%

Common stocks · $2+ · 500K+ shares · $100M+ market cap · previous-session close. Changes compare the Oct 20, 2026 close with Oct 19, 2026; stocks with unexplained price jumps are excluded.