Sticky inflows are driving this huge rally in gold, says Goldman Sachs' Daan Struyven

All right, gold and silver both pacing for their best week in five years. For more on that recent rally and his outlook for the precious metals, we want to bring in Don Striven. He is co-head of global commodities research at Goldman Sachs.And Don, you recently brought up your price target for gold, the gold, the price you expect by December of next year. Um, what' you say. 4,900 instead of the 4,300 that you'd been at previously.What what made you say aside from just watching how quickly things were runnin ...