Barclay's Global Investors' introduction of four new exchange-traded funds attracted close to $800 million in assets on their first day of trading on the American Stock Exchange.

The four iShares funds - the iShares S&P 500 Fund, Russell 1000 Fund, Dow Jones U.S. Internet Fund and Dow Jones U.S. Technology Sector Fund - had a total of $1.07 billion in assets under management when the market closed May 22. The funds were introduced May 19.

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