Dollar surges on rate talk, emerging markets struggle

The dollar extended gains across the board in Asian trade Friday as investors took bullish comments from Federal Reserve boss Janet Yellen as almost guaranteeing the central bank will hike interest rates next month. While the surge in the greenback to a five-month high against the yen provided another rally for Japan's Nikkei, traders in other Asian markets were more uneasy, with foreign investors removing cash from emerging markets seeking better US returns. Last week's shock election of Donald