The Nasdaq Composite Index was down 1.3%.

纳斯达克综合指数(The Nasdaq Composite Index)跌幅为1.3%。

The Nasdaq composite index is down 54 at 2, 444.

纳斯达克综合指数下降54点，至2444点。

The Shanghai Composite Index was down 2.9% on Wednesday.

上证综合指数在星期三下降了2.9%。

And the Nasdaq Composite Index shot up over 5.4 percent.

纳斯达克综合指数大涨超过百分之五点四。

This scan USES only subsets of the full range of a composite index.

这种扫描只使用完整复合索引的子集。