Despite calm in international gold markets and exchange rate stability, the yellow metal traders on Tuesday pushed up the prices to historic highs of Rs221,000 per tola and Rs189,472 per 10-gram. The prices were raised by Rs1,500 per tola and Rs1,286 per 10 grams from overnight levels. According to All Sindh Saraf Jewellers Group (ASSJG), the world gold rate remained unchanged at $1,990 per