Struggling retailer Sears Holdings Corp. has bought itself some breathing room through maneuvers that include the sale of its Craftsman brand for $900 million and the closure of 150 additional stores as it grapples with a prolonged sales slump and mounting losses.

The company has suffered through several weak quarters and warned Thursday that same-store sales fell as much as 13% in November and December. Over the past five years it has booked $8.2 billion in cumulative losses.

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