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Session brief · Friday, October 9, 2026 close

Stocks rose. 2,471 rose, 2,463 fell — but communication services lagged.

9 of 11 sectors finished higher. Healthcare led at +1.64%; Communication Services lagged at -4.34%.

The biggest liquid gainer was Nautilus Biotechnolgy (NAUT), up 23.6% in healthcare.

Among benchmarks, DIA (Dow 30) did best at +0.87% and QQQ (Nasdaq-100) did worst at +0.49%.

Written from 5,078 common stocksSource: Massive / Polygon daily aggregatesHow the brief is written
Market breadth
5,078 common stocks · previous-session close
▲ 2,471 advancing (48.7%)144 unchanged▼ 2,463 declining (48.5%)

Sectors, cap-weighted

SectorChangeRisingFalling
Healthcare+1.64%573254
Real Estate+1.46%110107
Consumer Discretionary+1.27%265279
Materials+1.11%100147
Industrials+0.77%194208
Financials+0.71%206524
Technology+0.66%364250
Utilities+0.45%6748
Consumer Staples+0.03%5258
Energy−0.23%5270
Communication Services−4.34%2892

Benchmarks

FundCloseChange
SPYS&P 500778.57+0.60%
QQQNasdaq-100751.27+0.49%
IWMRussell 2000278.94+0.49%
DIADow 30516.11+0.87%

Top gainers

NAUTNautilus BiotechnolgyHealthcare$2.25+23.6%KLRAKailera TherapeuticsHealthcare$11.61+16.1%FSLYFastlyTechnology$29.30+15.9%NVAXNovavaxHealthcare$12.75+15.8%CCICrown CastleReal Estate$79.64+15.6%SVCService Properties TrustReal Estate$7.15+15.0%

Top losers

CDChaince Digital HoldingsFinancials$8.66−20.6%CDNLCardinal Infrastructure GroupIndustrials$21.12−15.7%GLIBKLiberty Capital Corporation Series C GCI GroupCommunication Services$20.05−15.0%ALHCAlignment HealthcareFinancials$7.55−13.4%TMUST-Mobile USCommunication Services$148.58−13.3%PKEPark AerospaceConsumer Discretionary$26.38−11.1%

Most active

MUMicron Technology19.9M shares$1,029.00−0.7%NVDANvidia84.6M shares$229.28−0.5%SPCXSpace Exploration Technologies93.0M shares$162.57+1.2%TSLATesla39.0M shares$382.70+2.1%AAPLApple37.9M shares$336.64−1.1%MSFTMicrosoft18.5M shares$535.07+2.4%

Common stocks · $2+ · 500K+ shares · $100M+ market cap · previous-session close. Changes compare the Oct 9, 2026 close with Oct 8, 2026; stocks with unexplained price jumps are excluded.