David Soltis is an active technology investor in Doylestown, Ohio, whose stocks can move 50% or 60% in a few days. To smooth out some of that volatility, Soltis last fall moved a portion of his portfolio into Cubes, shares of a Nasdaq 100 index fund that trades on the American Stock Exchange under the symbol QQQ. Even after the Nasdaq's recent bungee-jump gyrations, Soltis, 21, still sees the Nasdaq 100 as the best broad play on the New Economy -and a better deal than conventional mutual funds. With Cubes, he says, "I can do everything I can do with a stock, like buy them on margin or sell them short."
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