CEO Marcelo Claure gave a boost to the stock last Friday in buying 5M shares.
Also this week: Prompted by T-Mobile, the National Advertising Division asked Sprint to drop superlative network claims in its advertising, especially "brand new," "all-new" and "America's newest." The NAD said Sprint should clarify ads claiming faster speeds and better call quality are in comparison to Sprint's old network rather than competitors.
Earlier, Sprint had signed a deal with BlackBerry to offer BES 12 Services, which should allow Sprint to make more inroads into an enterprise customer base against AT&T and Verizon.
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