Mumbai, April 24 -- Copper is seen coming off a three-week high on Thursday morning in Asia as dollar steadied around higher levels achieved during the course of trade yesterday. The dollar index is holding above 99 mark and reviving from a three -year low. Currently, the counter is quoting at $4.83 per pound, down 0.25% on the day. Meanwhile, IMF's warning of potential impact of the trade tariffs imposed by U.S. President Donald Trump and caution against significant adverse effect on the world economy if the current trade tensions persist is weighing down the red metal. The International Monetary Fund in its latest World Economic Outlook report slashed the global growth forecasts for this year and next to 2.8% and 3% respectively. Overnigh...