For American businesses, the oil shock from the Iran war has created winners and losers. Some are obvious. Elsewhere, however, the impact is more surprising https://www.economist.com/business/2026/03/26/the-wars-biggest-corporate-winners-and-losers-may-surprise-you?taid=69c8c6f35a6fb6000140deba&utm_campaign=trueanthem&utm_medium=social&utm_source=voante