Barnes & Noble followed up their pre-New Year’s sales warning with a fuller holiday sales report: Same-store sales at the BN superstores and BN.com fell 8.2 percent (and 10.9 percent overall), at $1.2 billion for the nine-week period. Much of the decline was due to weaker sales of Nook devices and accessories but even leaving that product line aside, “core” store sales still declined 3.1 percent compared to last year “due to lower bookstore traffic.” (A core decline had been forecast, however, in the low-to-mid single digits, and the company said those sales “exceeded expectations.”) In the last quarter BN management […]