Asia stocks dive on downbeat IMF forecasts

Asian stocks declined the most in almost a month on Tuesday after the International Monetary Fund cut its economic growth forecasts for the US and Japan. According to the IMF's latest forecasts, the US economy will expand 2.8% this year, slowing from 2.9% last year. The Washington-based fund also cut its estimate of Japan's growth to 1.4% from 1.6% following last month's earthquake and tsunami and the subsequent aftershocks. Sentiment was also hit as Japanese authorities raised the severity rating of its nuclear crisis to a level only previously seen following the Chernobyl disaste...