A strategic review has analysts speculating about a sale of Spark's IT division. (Image: NZME)UBS says a potential sale of Spark’s IT services could help underpin the value of its core consumer mobile, broadband and business operations.Spark this week announced it would restructure its business into two divisions. One division would be labelled “Connectivity” and include consumer mobile, broadband operations, business connectivity and other services. A second “Digital services” division would include IT services and Cloud.Analysts speculated that the restructure and a planned strategic review of IT ser...