Gold prices climbed on Wednesday, as investors flocked to the safe-haven metal during Asian trading, weighing uncertainty over US tariffs after the US Supreme Court struck down a swathe of measures from President Donald Trump. Spot gold was up 0.5% at $5,174.76 per ounce, as of 0159 GMT.Bullion ended the previous session down more than 1% as investors locked in profits after gold hit a three-we