Gold prices extended gains on Wednesday on safe-haven appeal, as renewed geopolitical tensions between the US and Iran added to the yellow metal’s recent upswing that saw it mark its best day since 2008 in the previous session. Spot gold gained 2.7% to $5,071.79 per ounce as of 0353 GMT, after surging 5.9% on Tuesday, its biggest daily gain since November 2008. Bullion scaled a record high o