Mumbai, Jan. 27 -- Precious metals continue to surge this week tracking sharp decline in dollar overseas coupled with persistent geopolitical and trade tensions globally. COMEX gold spiked ahead of $5K mark rushed to the safe-haven asset as concern spread that US President Donald Trump is upending relations with key allies. Trump reportedly threatened to slap 100% tariffs on Canadian goods if the country strikes a trade deal with China, raising fears of a renewed trade war. Besides, concerns over the Federal Reserve (Fed) independence could contribute to the yellow metal's upside. Currently, gold futures are holding at $5063.60, down 0.33% on the day after surging over 2% in the last session. Silver futures soared by more than 13% yesterday...