SE Asia Stocks-Firmer after Yellen's comment; Singapore outperforms
March 30 (Reuters) - All Southeast Asian stock markets rose on Wednesday as risk appetite improved after Federal Reserve Chair Janet Yellen's comment hosed down expectations of any imminent hike in U.S. interest rates. Yellen on Tuesday emphasised global dangers to growth and inflation, and thus the need to proceed "cautiously" on tightening policy. Singapore's Straits Time Index jumped 1.9 percent to a one-week closing high, led by financials, while the Jakarta Composite Index added 0.