Description:The Daily Digit is $12.8 billion. Best Buy's total revenue slipped 0.4% to $12.8 billion in the nine weeks ended January 5th. Same-store sales were flat in the United States, which was much better than the more than two percent drop some analysts expected. Hot holiday items included mobile phones, tablet/e-readers and appliances. Not so popular were entertainment devices, television sets and non-tablet computers.(1:06)