Bank of Japan expands stimulus as pandemic pain worsens

TOKYO (Reuters) - The Bank of Japan expanded monetary stimulus on Monday and pledged to buy an unlimited amount of bonds to keep borrowing costs low, as the government tries to spend its way out of the growing economic pain from the coronavirus pandemic.The step, which follows monetary easing only a month ago, puts the BOJ in line with other major central banks that have unleashed unprecedented amounts of monetary support as the health crisis stokes fears of a deep global recession.BOJ Governor..