TOKYO, March 30 : The Bank of Japan will closely watch yen moves as they affect the economy and prices, Governor Kazuo Ueda said on Monday, suggesting that rising import costs from a weak currency could justify raising interest rates in the coming months. The remark came as the yen slid past 160 against the dollar to its weakest point since July 2024, triggering threats of intervention by Japan's top currency diplomat on Monday. "We don't guide monetary policy directly to control foreign