Battered shares of PacWest Bancorp and Western Alliance Bancorp edged higher premarket on Thursday as the U.S. midsize lenders looked to sustain a recent rebound powered by bets that the worst of the regional banking turmoil was over. PacWest Bancorp, which is currently exploring strategic options, climbed 7.2  percent and was set to build on … Continue reading PacWest, Western Alliance lead rebound in US regional lenders