Wall Street ended lower on Thursday after PacWest’s move to explore strategic options deepened fears about the health of U.S. lenders and hit shares of regional banks as well as JPMorgan Chase, Wells Fargo & Co and other major financial players. PacWest Bancorp tumbled 51 percent after it confirmed it was exploring strategic options, including … Continue reading Wall Street ends down as PacWest fuels fears of deeper bank crisis