COMEX gold prices are losing momentum after hitting fresh lifetime highs in the previous session. Ongoing geopolitical tensions between Iran and the US and Fed-Trump feud is however keeping the yellow metal from falling sharply. Federal Reserve (Fed) Chair Jerome Powell said on Sunday that he’s under criminal investigation, sparking an independence crisis and triggering a flight to safety across global markets. US Consumer Price Index (CPI) inflation data for December will now take center stage later on Tuesday. The counter is currently quoting at $4606.50 an ounce, down 0.158% on the day. On the MCX, gold futures inched above Rs 141991 per 10 grams.