Movers roundup: Halliburton, Landstar System

NEW YORK (AP)--Shares of Halliburton Co. shot to a new all-time high Thursday after Goldman Sachs raised its rating on the oilfield service sector.

NEW YORK (AP)--An analyst upgraded Landstar System Inc. to "Buy" from "Hold" Thursday, saying a recent stock price slip gives investors an opportunity to take advantage of the company's projected growth as freight demand stabilizes.

NEW YORK (AP)--Shares of Limelight Networks Inc. rose Thursday as an analyst began coverage with a "Buy" rating, saying it is likely the Internet content delivery company will "work around" the technology at the center of patent litigation and avoid a permanent injunction.

NEW YORK (AP)--Shares of Sealy Corp. rose on Thursday, as the mattress maker unveiled a new line of latex mattresses.