Walgreens expects to close a “significant” number of stores in the face of “headwinds,” but the pharmacy chain has not specified how many retail locations it plans to shutter. Parent company Walgreen Boots Alliance, Inc. (NASDAQ:WBA) announced the plan to close an undisclosed number of its roughly 8,700 stores on Thursday when it released earnings for this year’s third quarter. The Deerfield, Illinois-based retailer said it was “finalizing [a] significant multiyear footprint optimization program to close certain underperforming U.S. stores” as part of an update to a strategic review outlined in its earnings release. Walgreens did not ...