Dhaka, Sept. 21 -- The Bank of Japan said Friday it would keep its main interest rate unchanged at 0.5 percent, as expected, with economists forecasting officials to announce a hike in the coming months.

However, the BoJ also said it would sell financial assets it had previously acquired to keep rates lower including exchange-traded funds marking a new phase of its monetary tightening policy.

"Japan's economic growth is likely to moderate, as trade and other policies in each jurisdiction lead to a slowdown in overseas economies and to a decline in domestic corporate profits," the BoJ said in a statement following the decision.

The announcement comes hours after government data showed inflation in the fourth-largest economy slowed to 2....