求翻译：　　在刚刚过去的一周，纽约期金周涨幅达3.15%。另据世界黄金协会（WGC）在最新发布的二季度黄金投资报告中指出，二季度黄金表现超越多数其他资产类别，且13.4%的平均波动率远低于20年平均水平15.8%。二季度期间黄金创下纪录新高，季末收盘时较一季度收盘价上涨4.6%。二季度平均金价为1506.13美元/盎司，较一季度均价高出8.6%。是什么意思？

　　In the past week, during golden week gains amounted to 3.15% in New York. According to the World Gold Council (WGC) in gold investment report that the latest release of the second quarter, gold performance beyond most other asset classes in the second quarter, and 13.4% 15.8% fluctuation rate far below an average of 20 average. Gold hit a record high during the second quarter, quarter-close up 4.6% per cent in the first quarter. Average gold price in the second quarter amounted to $ 1506.13/ounce, 8.6% higher than the average in the first quarter.