Microsoft's (Nasdaq: MSFT ) Halo 3 has officially arrived. What will it mean for Microsoft investors? What will it mean for video-game makers such as Activision (Nasdaq: ATVI ) , Electronic Arts (Nasdaq: ERTS ) , and Take-Two (Nasdaq: TTWO ) ? Will there be a halo effect for retailers such as GameStop (NYSE: GME ) , Wal-Mart (NYSE: WMT ) , and Target (NYSE: TGT ) ? In this installment of "Fool Video," Managing Editor LouAnn DiCosmo talks Halo with Halo-playing Motley Fool analyst Seth Jayson.
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