Sycamore sees revenue dip; Telecom ETFs sink with big telcos

> Optical vendor Sycamore Networks posts revenue drop and $7.8 million net loss. Article

> Many troubled telecom sector exchange-traded funds are heavily loaded with AT&T and Verizon stock. Article

> While NebuAd takes hits and loses its CEO, similar British firm Phorm may be faring better. Article