kurodada said earlierer this mo there's s still sample scope to push the interest rate further into negative territory. policy makers are also expected to discuss whether they should set a new time frame for chaefing their 2% inflation target. their current goal is about two years. >>> checking the markets, tokyo stocks ended mixed as investors await the outcome of the boj and fed meetings on wednesday. giang nguyen reports. >> investors are firmly focused on the two central bank meetings but we're seeing a lot more moves causing the swing in and out of negative territory. the nikkei 225 lost 0.2% closing at 16,492. but the broader topix endsed higher by 0.4%. trading volume was low as investors steered clear of big bets for now. but banking shares like mitsubishi financial group ended higher after speculation that the boj may take measures to support bank profits which have suffered under the negative rate policy. on the flip side, takata tumbled more than 11% on news report that potential buyers are considering bankruptcy for the embattled air bag maker. all eyes are now on the boj meeting