美国主要健康保险公司股价在盘前交易中集体走高，此前联邦政府宣布将于2027年把联邦医保优先计划（Medicare Advantage）向保险商的支付标准提高2.48%。这一调整幅度超出市场预期，直接提振了保险板块的市场情绪。
受此利好消息影响，联合健康、哈门那、西维斯健康等龙头保险企业股价均呈现显著上涨态势。行业分析师指出，支付率的上调将有效缓解保险商面临的成本压力，并为长期盈利增长注入新动能。
此次费率调整反映了监管部门对医保优先计划稳定性的支持，预计将进一步巩固该计划在美国医保体系中的重要地位。市场普遍认为，这一政策动向有望为健康保险行业带来结构性利好。
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