Office Depot continues to bleed red ink. The Boca Raton-based office supply company (NYSE: ODP) posted a loss of $29.3 million, or 11 cents a share, in the second quarter. It reported a loss of $25.1 million, or 9 cents a share, in the same quarter a year earlier. The company said sales for the second quarter were essentially flat, at $2.7 billion. The losses included charges related to restructuring activities and other costs intended to improve efficiency and benefit operations in future periods, the company said in a news release...