UK 100 Surges 0.78% to One-Month High on Mining, Airlines Rally; Energy Stocks Tumble

U.K. stocks closed strongly higher on April 17, 2026, with the UK 100 rising 0.78% to a one-month high, driven by gains in Mining (+Fresnillo +6.45%), Travel & Leisure (IAG +6.19%, EasyJet +6.06%), amid a sharp oil plunge hurting energy giants like BP (-7.36%) and Shell (-5.57%). This capped a volatile week: down 0.17% on April 13 (Vistry five-year low, oil surge), up 0.29% April 14 (Intertek +12.83%), down 0.51% April 15, and up 0.28% April 16 (Halma all-time high). Gold climbed 1.78% while WTI/Brent crude crashed 12%/10.6%, fueling sector rotation and GBP/USD stability around 1.35.