Major Movers, October 23, 2026

The S&P 500 ETF is down 0.4%. Energy is the standout sector at +2.5%, with crude up over $2 to $101.62 amid escalating Middle East tensions, a tanker hit near Hormuz, and a Strategic Petroleum Reserve release tied to a Louisiana refinery disruption. Consumer Staples is the weakest major sector at -2.1%, followed by Consumer Discretionary (-1.5%) and Financials (-1.3%). Technology is the only other sector higher, up 0.7%. Within Financials, Cboe Global Markets leads at +3.1% while Globe Life is the sector's worst at -7.9%. In Industrials (-1.2%), Lockheed Martin rises 2.3% as Old Dominion Freight falls 4.0%. Intuitive Surgical tops Health Care (-1.1%) at +2.7%.

Momentum holds up best among factors, with the Momentum factor ETF +0.6% and S&P 500 Momentum +0.3%, while Value lags, with Dividend Aristocrats down 1.3%.

Among mega-cap growth names, Chevron and ExxonMobil track the oil rally, up 2.4% and 2.3%, while American Express falls 3.9% after announcing plans to cut 5% of its workforce, about 3,500 employees, and Accenture drops 4.5%.

Oil and gas producers (+2.5%) and MLP infrastructure (+2.2%) track the crude move, while software (+1.8%) and semiconductors (+1.2%) outperform. Airlines fall 2.7% and transportation drops as much as 2.2%.

Cybersecurity names lead individual gainers after CrowdStrike's chief executive said the company expects a wave of breaches tied to a PHP vulnerability, while telecom carriers sell off sharply.

Palo Alto Networks +6.2%
CrowdStrike Holdings +6.2%, after its CEO flagged expected breaches tied to a PHP vulnerability
Datadog +5.6%
EchoStar +4.7%
Targa Resources +4.3%
Comfort Systems USA -9.0%
Credo Technology Group -8.1%
AT&T -6.5%
T-Mobile US -6.1%
Deckers Brands -5.8%

Thematic cybersecurity funds extend the move, with the iShares Cybersecurity and Tech ETF up 3.6%, the Cybersecurity ETF up 3.4%, and the Global X Cybersecurity ETF up 4.8%. Oil-linked commodity funds also track the crude rally, with the VanEck Oil Services ETF up 5.1% and the Crude Oil ETF up 3.5%, while the Natural Gas ETF falls 2.8%.