Here´s an odd twist: 3dfx Interactive (TDFX), which has just won a court ruling in its patent-infringement lawsuit against competitor nVidia, may get gobbled up by nVidia. 3dfx makes software that creates three-dimensional images. Its stock trades at 3 1/8--down from 14 in March--giving it a tiny market cap of $120 million. nVidia, which provides 3D graphics for PCs, trades at 60, with a market cap of $4 billion.

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