PacWest PACW.O added 5.3% after private-equity firm Ares Management ARES.N said it had acquired a $3.5 billion specialty finance loan portfolio from the lender. Last week, U.S. stocks sputtered after a recent rally, and the tech-heavy Nasdaq snapped its eight-week winning streak on Friday, after Fed Chair Jerome Powell signaled more interest rate hikes ahead. A slew of economic data including a key inflation gauge, durable goods and University of Michigan's consumer sentiment index is expected this week, as well as Powell's speech that could throw light on Fed's rate hike plans.