Gold and Silver Prices Plunged Monday After Last Week's Big Rally. Here's Why.

KEY TAKEAWAYS A decision by CME Group to adjust its metals contracts halted a recent rally in precious metalsTraders must apply more upfront cash to bet on metals pricesGold and silver remain on pace for their highest returns since 1979. After a strong week-long rally that sent gold, silver and other precious metals prices to all-time highs, prices fell sharply Monday after exchange operator CME Group made a key change to its metals contracts. After peaking at $4,565 per troy ounce Friday, spot gold wa ...