"They are making the transition to mobile faster than anyone anticipated, " said Arvind Bhatia, an analyst with Sterne Agee.

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According to Arvind Bhatia, video game analyst at Sterne Agee, 2K Sports should sell 4.5 million copies worldwide by the end of its run.

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Judging by E3, however, the Wii U may be in for an uphill battle, and Sterne Agee analyst Arvind Bhatia, agrees that Nintendo is in a tough position going forward into the holiday season.

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