新华社快讯：国际黄金现货价格突破每盎司4500美元，年内涨幅超70%

Group 1 - The core point of the article is that the international spot gold price has surpassed $4,500 per ounce, marking a year-to-date increase of over 70% [1] Group 2 - The significant rise in gold prices indicates strong demand and potential shifts in investor sentiment towards safe-haven assets [1] - The increase in gold prices may reflect broader economic uncertainties and inflationary pressures affecting global markets [1] - This surge in gold prices could present both opportunities and challenges for investors and companies involved in the precious metals sector [1]