Earnings Roundup: Goodyear, ManTech

Among the earnings stories for Wednesday, Oct. 28, from AP Financial News:

Top stories:

CLEVELAND (AP) — Goodyear Tire & Rubber Co.'s profit more than doubled in the third quarter, helped by cost-cutting, new products and lower raw material costs. But its shares plummeted on its forecast for an operating loss in its key North American market this quarter.

Other stories:

FAIRFAX, Va. (AP) — Government contractor ManTech International Corp. said its third-quarter earnings rose 23 percent because of a focus on the products it develops for the high-end defense and intelligence markets.

NEENAH, Wis. (AP) — Plexus Corp., citing volatile demand for its products, said its fiscal fourth-quarter profit fell 13 percent.

ARLINGTON, Va. (AP) — Government contractor CACI International Inc. said that its fiscal first-quarter profit rose 22 percent as it signed new contracts to increase sales, prompting it to raise its 2010 profit guidance.