(Bloomberg) — Asian stocks gained as AI optimism boosted technology shares across the region, while other investors remained cautious due to tensions between the US and European Union over tariffs and the war in Ukraine.Most Read from BloombergProgressive Portland Plots a ComebackWhy American Mobility Ground to a HaltA Filmmakerās Surreal Journey Into His Own Private WinnipegHow to Build a Neurodiverse CitySpaceX Bid to Turn Texas Starbase Into City Is Set for Vote in MayTencent Holdings Ltd. jRead More