Earnings Scheduled For December 20, 2013

Walgreen Co (NYSE: WAG ) is projected to report its Q1 earnings at $0.72 per share on revenue of $18.35 billion. BlackBerry (NASDAQ: BBRY ) is expected to post a Q3 loss at $0.45 per share on revenue of $1.59 billion. CarMax (NYSE: KMX ) is estimated to report