More breaking news stories could affect stocks when trading continues later.

The following companies should see some movement: Northrop Grumman (NYSE:NOC), Sprint Nextel (NYSE:S), Caterpillar Inc. (NYSE:CAT).

Here is a more detailed look at the news that will affect each company when trading continues.

Northrop Grumman (NYSE:NOC)

Northrop Grumman (NYSE:NOC) has recorded two major manufacturing milestones of F/A-18 components.
The company has held a celebration at its El Segundo facility in Los Angeles to mark the completion of the 500th shipset of the F/A-18 Super Hornet and the 300th center barrel of the F/A-18 Hornet.

In the event, Northrop Grumman (NYSE:NOC) officials has praised its employees for maintaining high standards of quality, affordability and overall team performance.

]Duke Dufresne, sector vice president and general manager of the Strike and Surveillance Systems Division of Northrop Grumman’s (NYSE:NOC) Aerospace Systems sector said, “It takes a lot of teamwork to make a program run as well as this one does, and the continued success of the F/A-18 program shows the exceptional level of talent involved here and across the industry team.”

Sprint Nextel (NYSE:S)

Sprint Nextel (NYSE:S) has partnered with Smoothstone for its business communications technology.
According to a news release by Smoothstone IP Communications, it will make its cloud-based voice solutions available over the Sprint Global network of Sprint Nextel (NYSE:S). The technology uses cloud computing, whereby software and other services are accessed by the Internet rather than by on-site hardware.

This newly launched service be integrated with Sprint Nextel’s (NYSE:S) existing phone structure by preserving investments already made in communications infrastructure.

Caterpillar Inc. (NYSE:CAT)

Caterpillar (NYSE:CAT) has suspended its plan to build mining shovels in Chicago.
The project to manufacture a new line of mining shovels by Caterpillar (NYSE:CAT) in its Aurora facility has been now put on hold due to company’s purchase of mining equipment maker Bucyrus. The Aurora facility, which has about 1,400 employees, was expected to create 300 more jobs in the region through 2014.

Caterpillar (NYSE:CAT) said in a statement, “With this pending acquisition, which is expected to close in mid-2011, employees have been informed that the company is suspending all development and capital investment for Caterpillar (NYSE:CAT) mining shovels at its Aurora, Illinois, facility—effective immediately.”

We may see more movement when trading continues for Northrop Grumman (NYSE:NOC), Sprint Nextel (NYSE:S) and Caterpillar Inc. (NYSE:CAT).