Sprint Nextel Corp. is offering to purchase the remaining 49% stake in Clearwire Corp. it does not already own for about $2.1 billion. Our 'B+' corporate credit and other ratings on Sprint Nextel remain on CreditWatch with positive implications. We expect to resolve the CreditWatch listing on Sprint Nextel when the proposed SoftBank transaction closes, most likely in the second quarter of 2013. On Dec. 14, 2012, Standard&Poor's Ratings Services said that its ratings on Overland Park, Kan.-based wireless carrier Sprint Nextel Corp., including the 'B+' corporate credit rating, remain on CreditWatch. The ratings were placed on CreditWatch with positive implications on Oct. 11. 2012, following Sprint Nextel's announcement that SoftBank Corp. was in talks to buy all