The Dow slid on Friday as a sell-off in tech in the prior session shifted to other areas of the market and U.S. oil prices topped $100 a barrel amid rising fears that the U.S.-Iran conflict would flare up again.

The Dow declined on Friday as a tech-led sell-off from the prior session broadened into other sectors, while U.S. crude oil prices rose above $100 a barrel on mounting concern that hostilities between the U.S. and Iran could resume. The primary transmission channel is a geopolitical supply-risk premium: expectations of disrupted Middle East crude flows lift energy prices directly, and the resulting increase in input costs and inflation expectations weighs on equities, particularly rate-sensitive and consumer-facing sectors. Crude oil futures are the most directly exposed instrument, with the move reflecting immediate repricing of supply-disruption risk, while Iran-linked exposures and energy equities are positioned most sharply to changes in conflict headlines. Broad U.S. equity indices face secondary pressure as higher energy prices feed into inflation expectations and bond yields, compounding the rotation out of technology. Traders will be watching weekly EIA crude inventory data and any official statements from U.S. or Iranian authorities regarding ceasefire terms or renewed military action as near-term catalysts for oil volatility.

Crude oil (WTI/Brent) reacts in real time to OPEC+ production decisions, EIA weekly inventory reports, geopolitical supply disruptions (Middle East, Russia, Venezuela) and US Strategic Petroleum Reserve announcements. A 5% intraday move on breaking news is not unusual.

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