Oil stocks like Exxon Mobil XOM.N and Chevron CVX.N dipped as crude prices reversed early gains spurred by the revolt. A recent rally in U.S. stocks sputtered last week after Fed Chair Jerome Powell's testimony in which he signaled more interest rate hikes ahead but vowed the central bank would proceed with caution. A slew of economic data including a key inflation gauge, durable goods and University of Michigan's consumer sentiment index will be released this week.