Gold was a quiet winner before its big sell-off this week. The yellow metal had worked its way up from around $1 560 per ounce back in July to nearly $1 800 in October. Just last week it changed hands at $1 750. But then came waves of selling which drove the price below $1 690 by Thursday morning still slightly above support levels. But gold has gone nowhere in more than a year. It peaked near $1 900 in September 2011 and hasn’t come within $100 of that since. It fell as low as $1 540 in May. ...