The Lightning Round is extended in this CNBC.com exclusive feature.
Shares in Sprint Nextel surged as much as 16% in afterhours trade after a media report said SK Telecom was preparing to bid for the No. 3 U.S. wireless company. This is despite a denial by the South Korean firm of any such action.
China Mobile, the world's largest wireless carrier, beat forecasts with a near 20% rise in quarterly net profit on the back of strong subscriber growth, but analysts warn that margins may shrink as competition intensifies.