In advance of this Thursday's release of Activision's Q4 financial results, Wedbush Morgan analyst extraordinaire Michael Pachter expects Activision's sales were up 88% this quarter over last year, based on NPD data. GameDaily reports Activision's guidance expected revenues of about $350 million this quarter, but Pachter believes it's more like $425 million.

Pachter further notes that Activision may see revenues decline this fiscal year as sales from Guitar Hero III and Call of Duty 4 wane, though the big thing for investors remains the approaching merger with Vivendi Games. Activision Blizzard should be a reality in the next few weeks and Pachter maintains a "Buy" rating on the company.

This article was originally published on Joystiq.

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