U.S. and Israeli strikes on Iran push oil higher, Asian airline shares tumble as defence stocks rally

Asian markets and airline margins are immediately exposed to energy-driven shocks: Hong Kong equities fell ~2.1% and carriers face rising jet‑fuel costs that compress yields and force route/routing decisions (see recent market/airline impacts) [source:5505c521-21e6-413d-b153-150e1a18743e].

Investors are repricing defence exposure: South Korean names leapt (Hanwha Aerospace ~+20%), reflecting expectations of higher procurement and munitions demand; this links to recent industry positioning and competition for defence work [source:f46d9c5e-487b-4bd6-b420-86fc36e2d895].

Operational and revenue implications for carriers are material: reports of passengers rebooking away from Middle Eastern airlines create near‑term demand shifts and network planning challenges for Asian carriers, while higher fuel and insurance costs will affect capacity and profitability [source:0c551152-5164-42de-bf5c-98caf66ef53f].