Market Wrap, October 21, 2026

The S&P 500 added 0.5%, with Technology leading sector gains as a wave of better-than-expected earnings from semiconductor and data-center-linked names offset an escalating conflict in the Persian Gulf that nonetheless failed to push oil higher.

Crude actually settled lower, with WTI down 0.68% to $97.15 a barrel, even as the security backdrop deteriorated sharply. The Houthi-Saudi conflict widened beyond energy and military sites to civilian airports and Aramco's Dhahran headquarters, forcing a suspension at Riyadh's King Khalid International Airport, while a drone attack on Aramco's Shaybah oilfield killed two people, though the Saudi Energy Ministry said operations were unaffected. The State Department ordered the departure of non-emergency staff and families from Saudi Arabia, and issued a broader alert for Gulf embassies. Iran's Revolutionary Guard said it is preparing to unveil a new weapon, while a separate report said Trump has ordered plans drawn up to strike Iranian energy infrastructure if combat resumes. Iran's Pezeshkian said Tehran has no intention of starting a war, and Foreign Minister Araghchi left the door open to diplomacy. On Ukraine, Russia reportedly accepted a US proposal for trilateral talks, possibly in Abu Dhabi, and Washington agreed to a technical-level meeting, even as Kyiv reported a ballistic missile attack. The EIA reported crude inventories fell 3,060K barrels, far more than the 324.2K draw expected.

Technology (XLK) rose 1.7%, led by Seagate, Western Digital, AMD and HP Enterprise, all up more than 3.5%, while Oracle fell 1.6%. Industrials (XLI) gained 0.9% on Generac and Vertiv, both up more than 4.5%. Financials (XLF) rose 0.5% with Coinbase, Robinhood and Morgan Stanley leading. Health Care (XLV) lagged, down 0.5%, dragged by Incyte, Stryker and Boston Scientific even as Danaher jumped 4.1%. Real Estate (XLRE) fell 0.8% on weakness in SBA Communications and American Tower. Consumer Staples (XLP) dropped 0.7%, with Clorox and Conagra among the weakest. Super Micro Computer surged after guiding preliminary quarterly sales well above estimates, and semiconductor-linked ETFs broadly outperformed.

Company News

Meta Platforms reported Q3 EPS of $7.40 excluding a litigation charge, beating estimates, and guided fourth-quarter revenue to $73-76 billion; it narrowed 2026 capex guidance to $135-145 billion and plans a new non-voting Class C share structure.
A New Mexico judge ordered Meta to pay $25 billion over claims it misled consumers about privacy tied to Cambridge Analytica.
Texas Instruments beat estimates with Q3 EPS of $2.62 and guided fourth-quarter revenue to $5.80-6.30 billion.
AT&T beat on EPS, raised 2026 guidance to around $2.40, but fell on the day.
Abbott Laboratories missed slightly on EPS and announced plans to spin off its roughly $8.5 billion Nutrition business by the end of 2027.
Danaher beat estimates and raised full-year EPS guidance; Elevance Health, Thermo Fisher, Chubb, Moody's, CME Group, Northern Trust, Wabtec, CSX, Knight-Swift, NextEra Energy and Philip Morris also reported results, with Philip Morris warning full-year EPS will land in the lower half of guidance.
Teledyne Technologies agreed to acquire Varex Imaging for about $1.1 billion.
CBRE Group agreed to acquire Onnec Group for roughly $610 million plus an earnout of up to $400 million.
eBay plans to cut about 9% of its workforce.