Clearwire (CLWR -4.8%) slips after receiving a downgrade to Underperform from RBC, which is...

|By:, SA News Editor

Clearwire (CLWR -4.8%) slips after receiving a downgrade to Underperform from RBC, which is setting a PT of just $1. Macquarie downgraded shares of the 4G carrier, whose cash burn and debt load have faced intense scrutiny, earlier this month.