FTSE 100 climbed 2.1% as optimism grew over a possible US‑Iran agreement easing Strait of Hormuz tensions.
GBP/USD rose 0.4% to 1.3591, while European indices DAX (+2.2%) and CAC 40 (+2.9%) also surged.
UK firms showed mixed results: Smith+Nephew revenue +3.1% to $1.5bn with $500m buyback; Kingfisher profit +6% and CEO departure.
FCA launched probe into Mastercard, Visa and PayPal over alleged anti‑competitive practices in digital wallets.