黄金：上周涨8.4%，高盛上调目标价至5400美元/盎司

Group 1 - The core viewpoint of the article highlights a significant decline in the US dollar index, leading to a substantial increase in precious metals, with gold rising by 8.4% and silver by 14.4% [1] - Major institutions are raising their gold price targets, with Goldman Sachs increasing its forecast for gold prices at the end of 2026 from $4,900 per ounce to $5,400 per ounce [1] - The demand for gold from private investors and central banks is on the rise, with Goldman Sachs predicting that central banks will increase their gold holdings by 60 tons per month in 2026 [1] Group 2 - The backdrop of potential interest rate cuts by the Federal Reserve is expected to lead to an increase in gold ETF allocations, further driving up gold valuations [1]