PacWest Bancorp (NASDAQ:PACW – Get Rating) shares shot up 8.4% during trading on Monday . The stock traded as high as $4.95 and last traded at $4.93. 4,140,967 shares traded hands during mid-day trading, a decline of 76% from the average session volume of 17,517,996 shares. The stock had previously closed at $4.55. Wall Street […]