Dubai lost about 0.3% and Egypt's blue-chip index 1.6%. Riyadh's gain withstood a roughly 0.3% decline in Saudi Aramco; Reuters reports Saudi National Bank rose 0.7%.
The session took place amid energy and security risks. The Houthis had claimed a strike on Ras Tanura, with no immediate Saudi confirmation in Reuters' account. That claim and interpretations of investor sentiment do not establish damage to the refinery.