Mumbai, Nov. 3 -- COMEX Gold prices are extending rally above $4000 per ounce mark, after having dipped below the level for a brief period towards the end of last month. The yellow metal is coming off a three-week low and wrapping up October with a 3.60% monthly gain - its fourth consecutive monthly rise. The metal found support from strong central bank purchases and easing trade tensions after the US and China agreed to a one-year truce on rare earths and critical minerals. However, upside momentum was capped by a stronger US dollar and fading hopes of further Fed rate cuts, after Chair Jerome Powell signaled caution on policy easing. According to the World Gold Council, central banks bought 220 tons of gold in Q3, up 28% from the previous...