民营银行降息潮起→,光大证券打响“旗手”反攻发令枪！券商ETF放量两连阳，行情持续性如何？,　　??5??30?????????С?С??????????????????????????е???????????3?????6?????1??2??3???????????????　　??????????6??1?????????м????6??16????????????????????????????3?????6?????1??????????????????????????????????????0.3??0.3??0.1??????1???7???????????????????????0.25??????　　???????????????????????????С?????С????????У???2?????3?????5????????????????。