Sensex is up over 600 points, trading near 78,600, while Nifty has surged past 24,600 to hit a 5-month high — a level not seen since April 2026. Crude oil crash: Brent crude plunged over 5% to $83.46/barrel after US-Iran peace talks raised hopes of de-escalation, easing India's biggest macro headache. Three pillars: Falling crude oil prices, firm US stock futures, and a strong Q1 cigarette business...