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Movers roundup: Sears, Nautilus

The Associated Press

Among the stock activity stories for Tuesday, March 5, from AP Business News:

— Sears Holdings Corp. shares jumped after its CEO disclosed that he bought 1.24 million shares of the retailer's common stock from an investment fund he controls, boosting his personal stake in the company.

— Nautilus Inc. shares reached their highest level in more than four years following strong fourth-quarter results from the fitness equipment maker.

— Zoltek Cos. Inc.'s stock surged after a group of investors disclosed a minority stake and requested a shareholder meeting to oust the company board.