Mumbai, April 21 -- Sustained losses in the US dollar index are boosting Gold impressively. The metal is holding onto a largely upward trajectory and tested fresh highs above $3400 per ounce today. The metal currently trades up 2.30% amid continued uncertainty surrounding Trump policies and its impact on the US economy. Meanwhile, President Donald Trump criticized Fed Chair Jerome Powell for being too slow to cut interest rates, adding that his removal "can't come quickly enough." Dollar index that measures the greenback against a basket of currencies hit a new three-year low and is down more than 1% at around 98 mark. Gold is up around 8% this month. The broad focus has now shifted on the release of International Monetary Fund's Global Eco...