Brent crude just spiked above $90/barrel after US strikes on Iran. Official line: preventing sea mine deployment in the Strait of Hormuz. That's the chokepoint for roughly 20% of global oil supply. When tensions flare there, oil markets react immediately. Energy stocks getting a bid. Airlines, industrials, anything sensitive to fuel costs will feel this. If crude holds above $90, inflation expectations start creeping back into the conversation. Watch how this plays out over the next few sessions. Geopolitical risk premiums don't always stick, but when they involve the Strait of Hormuz, markets take it seriously.