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US Close 23 October 2026: Dow -1.23% as Telecoms and Amex Fall; Cybersecurity Stocks Rally

AT&T and T-Mobile fell nearly 8% on a SpaceX cell-site report, Amex fell 3.67% on job cuts, and cybersecurity stocks rose on an Evercore survey.

Bearish5 min readBy Swingfolio Research

At a glance

S&P 5007,624-0.52%
NASDAQ25,955-0.21%
Dow52,215-1.23%
VIX19.45+2.21%
Russell 20002,776-0.29%
US Dollar101.75+0.14%
US 10Y4.99+0.71%

Top gainers

  • RHI.USRobert Half+21.74%
  • GMAB.USGenmab+9.48%
  • NTSK.USNetskope+9.37%
  • VG.USVenture Global+9.29%
  • CART.USMaplebear (Instacart)+9.21%

Top losers

  • LKQ.USLKQ Corporation-22.47%
  • CORT.USCorcept Therapeutics-20.13%
  • TNGX.USTango Therapeutics-16.43%
  • WGS.USGeneDx Holdings-16.37%
  • BE.USBloom Energy-11.24%

US Close 23 October 2026: Dow -1.23% as Telecoms and Amex Fall; Cybersecurity Stocks Rally

S&P 500 close: 7,623.68 (-0.52%) VIX: 19.45 (+2.21%) Sentiment: bearish

The S&P 500 closed at 7,623.68 on 23 October 2026, down 39.75 points or 0.52%, as consumer, financial and communication services stocks fell while the technology sector gained 0.35%, per Reuters. T.US lost 7.96% and TMUS.US 7.71% after a Bloomberg report that SpaceX is seeking access to about 80,000 US cell sites for a fourth wireless carrier, and CCI.US rose 9.06%. Brent traded above $116, its highest since late April, after Houthi attacks in Saudi Arabia, per Reuters and TheStreet, and WTI rose 3.99% to $103.44.

At a glance

IndexCloseChange
S&P 5007,623.68-0.52%
Nasdaq Composite25,955.34-0.21%
Dow Jones Industrial Average52,215.16-1.23%
Russell 20002,775.90-0.29%
VIX19.45+2.21%

The Dow lost 652.82 points, with AXP.US -3.67% weighing on the price-weighted index, per Reuters. For the week the S&P 500 fell 0.5% and the Nasdaq 0.7%, while the Dow rose 0.4% for a third straight weekly gain. Decliners outnumbered advancers 1.72 to 1 on the NYSE and 1.57 to 1 on the Nasdaq. Volume on US exchanges was 15.4 billion shares against a 20-day average of 17.2 billion. The S&P 500 traded between 7,616.56 and 7,658.44 in hourly bars and closed 7 points above the low.

What moved the index

The S&P 500 lost 52 bps on 23 October 2026; consumer, financial, communication services, health care and industrial stocks took about 82 bps, and technology and energy added back about 25 bps.

DriverMoveApprox. index weightContribution
Consumer discretionary, staples, financials-1.66%, -1.92%, -1.32%about 28% combinedabout -44 bps
Communication services-1.78%about 10%about -18 bps
Health care and industrials-1.11%, -1.27%about 17% combinedabout -20 bps
Technology and energy+0.49%, +2.60%about 37% combinedabout +25 bps
  • AXP.US -3.67% to $313.22 after American Express raised its full-year forecast and announced plans to cut about 5% of its workforce, with a $336 million restructuring charge, per TheStreet. Financials fell 1.32%.
  • T.US -7.96% to $20.93 and TMUS.US -7.71% to $146.54 on the SpaceX cell-site report; Verizon fell 1.19%. GOOGL.US -1.24% added to the communication services loss.
  • LLY.US -2.54% to $1,273.46 led health care lower; the sector fell 1.11%.
  • SLB.US +7.08% to $53.06 after a third-quarter profit beat, per Reuters. The S&P 500 energy sector rose 2.5% to a record high as WTI gained 3.99%.

These four drivers sum to about 57 bps against the 52 bps move; utilities (-0.72%) and materials (-0.74%) add about 3 bps, and the weights are approximate.

Session highlights

  • 3.22% was the gain in the First Trust NASDAQ Cybersecurity ETF after an Evercore ISI survey of channel partners found security budgets getting stronger into year-end, per TIKR. PANW.US rose 7.22%, CRWD.US 8.25% and NET.US 7.29%; Okta gained 5.82%.
  • CCI.US +9.06% to $85.97 and American Tower +4.08% after Bloomberg reported SpaceX is in talks with both tower owners, per TheStreet.
  • 48.0 was the final University of Michigan consumer sentiment reading for October, against 48.1 in September and a 46.3 forecast, per Reuters; one-year inflation expectations rose to 4.7% from 4.6%.
  • 4.99% was the 10-year Treasury yield at the close, up about 3.5 bps; the US Dollar Index rose 0.14% to 101.75.
  • RHI.US +21.74% to $45.87 after Robert Half reported third-quarter adjusted EPS of $0.49 against $0.47 expected and guided fourth-quarter EPS to $0.36 to $0.46, per Investing.com.

Sector scorecard

  • Best: Energy (+2.60%)
  • Worst: Consumer staples (-1.92%)
  • Dispersion (best minus worst): 4.52 pts
  • Technology (+0.49%) and real estate (+0.12%) also rose; communication services (-1.78%), consumer discretionary (-1.66%), financials (-1.32%), industrials (-1.27%), health care (-1.11%), materials (-0.74%) and utilities (-0.72%) fell, based on the SPDR sector funds.

Top movers

TickerMoveReason
RHI.US+21.74%Q3 adjusted EPS $0.49 against $0.47 expected
GMAB.US+9.48%Phase 3 Rina-S ovarian cancer trial met survival endpoints
NTSK.US+9.37%Cybersecurity group rallied on an Evercore ISI channel survey
VG.US+9.29%Unannounced, likely flow-driven.
CART.US+9.21%Unannounced, likely flow-driven.
LKQ.US-22.47%Preliminary Q3 loss; withdrew 2026 guidance; CEO replaced
CORT.US-20.13%Genmab's competing ovarian cancer drug succeeded in Phase 3
TNGX.US-16.43%Unannounced, likely flow-driven.
WGS.US-16.37%Unannounced, likely flow-driven.
BE.US-11.24%Cash flow and capital spending concerns outweighed a Q3 beat

After-hours earnings

Five companies that reported after the close on 22 October 2026 traded their results in Friday's regular session.

  • BE.US fell 11.24% to $193.30 as negative cash flow and high capital spending outweighed a third-quarter beat and a raised outlook, per TheStreet.
  • FIX.US fell 9.26% to $1,160.86 after Comfort Systems gave no clear outlook and said CFO Bill George will retire, per TheStreet.
  • DECK.US fell 4.91% to $81.09 after mixed fiscal second-quarter results, and WDC.US fell 2.97% to $343.67.
  • RNG.US rose 5.00% to $83.39 after RingCentral beat third-quarter estimates and raised full-year guidance, per TheStreet.

Notable announcements

  • LKQ Corporation: preliminary third-quarter revenue of $3.32 billion against a $3.41 billion estimate and adjusted EPS of $0.47 to $0.53 against $0.69, with European organic parts revenue down 9.8%, per Benzinga. Salvatore Abbate becomes CEO on 15 December.
  • Genmab: Rina-S showed a statistically significant improvement in progression-free and overall survival in platinum-resistant ovarian cancer in the RAINFOL-02 trial, per the company. CORT.US fell 20.13%, per Seeking Alpha.
  • American Express: about 5% of the global workforce will go; the company had nearly 77,000 employees at the end of 2025, per TheStreet.

Next session catalysts (ET)

  • Mon 26 Oct: Verizon reports third-quarter results, per TheStreet.
  • Tue 27 Oct: Coca-Cola, UPS, SoFi and Robinhood report, per TheStreet.
  • Wed 28 Oct: the FOMC decision; Reuters reports the Fed is expected to hold rates.
  • Week of 26 Oct: Alphabet, Microsoft and Amazon report, part of about one-third of S&P 500 companies, per Reuters.
  • Tue 3 Nov: US midterm elections.

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