(Bloomberg) -- Spain’s strongest opposition party comfortably won Galicia’s regional election, while Prime Minister Pedro Sanchez’s Socialists lost about a third of its seats in the first electoral test since he sought an amnesty for Catalan separatists.Most Read from BloombergLargest Covid Vaccine Study Yet Finds Links to Health ConditionsTrump Keeps NY Empire Intact as Judge Rescinds Asset-Sale OrderWall Street’s Moelis Bet Big on the Middle East. Now He’s Cashing InGoldman Lifts S&P 500 Targe