Core inflation in Japan's capital slowed in March and factory output unexpectedly slid in the previous month, heightening uncertainty on how soon the Bank of Japan can raise interest rates again after exiting its radical monetary stimulus. Core consumer price index (CPI) in Tokyo, an early indicator of nationwide figures, rose 2.4 per cent in March from a year earlier, matching a median market forecast and slowing slightly from a 2.5 per cent gain in February. A separate index that excludes the effect of both fresh food and fuel costs, viewed as a broader price trend indicator, also showed inflation slowing to 2.9 ... (full story)