Weak U.S. data, BOJ outlook push dollar down vs. yen

The dollar fell sharply against the yen on Tuesday after the Bank of Japan left interest rates unchanged and weak U.S. retail sales data compounded investors' search for safety as oil tumbled and equity markets globally turned lower. Six weeks after shocking markets by cutting rates into negative territory, Bank of Japan Governor Haruhiko Kuroda said the central bank would take time to look at the impact, but could move again before the cut had worked its way fully into the economy. Despite the