Among the stock activity stories for Monday, Sept. 8, from AP Financial News: NEW YORK (AP)--Lehman Brothers Holdings Inc. shares tumbled Monday amid investor uncertainty about how...READ MORE

(NEW YORK)Shares of Alvarion Ltd. jumped Monday after an Oppenheimer & Co. analyst upgraded the Israeli provider of wireless broadband technology and services, saying it has shown "good exec...READ MORE

Among the stock activity stories for Monday, Sept. 8, from AP Financial News: NEW YORK (AP)--Shares of Alvarion Ltd. jumped Monday after an Oppenheimer & Co. analyst upgraded the I...READ MORE

(NEW YORK)A JPMorgan analyst on Thursday upgraded Nortel Networks Corp. to "Overweight" from "Neutral", saying the Canadian telecommunications equipment company will benefit from a stronger ...READ MORE

(TORONTO)Nortel Networks Corp., the Canadian telecommunications equipment company, has agreed to team up with the Israeli technology provider Alvarion Ltd. to deliver long-range wireless ac...READ MORE

(NEW YORK)Canadian telecommunications equipment maker Nortel Networks Corp. and Israeli wireless technology company Alvarion Ltd. said Wednesday they have agreed to collaborate on an end-to-...READ MORE

(NEW YORK)Israeli networking device maker Radvision Ltd. said Wednesday its former vice president of finance, Adi Sfadia, will succeed Tsipi Kagan as chief financial officer.READ MORE