(NEW YORK)Makers of telecommunications and networking gear were hit hard Monday, as investors feared that credit and stock market turmoil would curb corporate and carrier spending.READ MORE

(TORONTO)The stock of Nortel Networks Corp. plunged Wednesday to a multi-decade low after it slashed its business outlook and said it plans another round of cutbacks in the face of a strugg...READ MORE

(NEW YORK)Shares of ADC Telecommunications Inc. rebounded Friday, erasing a few days of losses, after the maker of telecommunications gear reported quarterly results in line with expectation...READ MORE

Among the stock activity stories for Thursday, Sept. 4, from AP Financial News: SAN FRANCISCO (AP)--Yahoo Inc.'s stock sunk to its lowest level in nearly five years Thursday, magni...READ MORE

(LINTHICUM, Md.)Ciena Corp.'s market value crumbled by nearly 25 percent Thursday after the telecommunications and network equipment maker forecast a lackluster finish to its fiscal year.READ MORE

(LINTHICUM, Md.)Telecommunications and network equipment maker Ciena Corp. on Thursday predicted fiscal fourth-quarter revenue below analysts' expectations. Citing order delays from some service p...READ MORE

(LINTHICUM, Md.)Telecommunications and network equipment maker Ciena Corp. said Thursday that its fiscal third-quarter profit fell as a sharp increase in operating expenses overshadowed revenue gr...READ MORE