Circuit City (CC) shares jumped today after investor Mark Wattles, a former CEO of Hollywood Entertainment, filed a 13-D disclosing a 6.5% stake in the company. Wattles Capital Management also owns a majority interest in Ultimate Acquisition Partners, which owns 32 consumer electronics stores under the name Ultimate Electronics.

In the filing, Wattles discloses that prior to acquiring his shares, he met with Circuit City management. Wattles says that in the future he could take such actions as nominating one or more board members or seeking the sale of the company.

Circuit City shares today are up 75 cents, or 20%, at $4.51.