 Powell's comments were to the Senate Committee on Banking, Housing and Urban Affairs. He appears before the House Financial Services Committee on Wednesday. BP shares are down nearly 4%. The energy giant is warning its earnings will be impacted as it makes less from refining. It expects to book an impairment of up to $2 billion for the current quarter. And vacuum cleaner company Dyson is cutting about 1,000 jobs in the U.K. It's reducing its global workforce.