Range-bound gold tests support levelsKedia Commodities / Mumbai October 31, 2006Gold, which climbed to $612/oz in overseas trade yesterday morning, has since been testing the resistance offered by the $600-level.Riding on the bullish sentiment for all commodities, silver, after attaining a high, fell as selling pressure rose on the crude oil counter.Silver eventually fell below the $60 level amid weak third quarter numbers of growth in the US GDP and reports of a pick-up in production by OPEC, the oil producing countries