According to the ETF Finder at ETF Channel, DD makes up 10.35% of the iShares Dow Jones U.S. Basic Materials Sector Index Fund ETF (IYM)which is trading relatively unchanged on the day Monday.

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These little wonders come in two basic flavors, palm-size machines with the dimensions of a small stack of index cards and hand-held computers roughly the size of an extra-long paperback.

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Lu suggested the government adjust the basic living allowance and food subsidies for university students every three months according to changes in the consumer price index.

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