纳斯达克中国金龙指数涨幅扩大，现涨3%，最新报8643.12点。

Core Insights - The Nasdaq China Golden Dragon Index has seen an increase, currently up by 3% and standing at 8643.12 points [1] Group 1 - The Nasdaq China Golden Dragon Index is experiencing a significant upward movement [1] - The current value of the index is reported at 8643.12 points [1] - The increase in the index reflects positive market sentiment towards Chinese stocks [1]