Gold prices gain on drop in dollar and geopolitical tensions, but set for worst monthly loss since September 2019 after post-election sell-off driven by Trump's win. Dollar falls to lowest in over two weeks, but still on track for a 2% rise in November. Gold faces pressure as higher tariffs could stoke inflation and lead to a cautious approach to further rate cuts. Bullion seen as safe investment during economic and geopolitical uncertainties.