Shares of eBay closed up 1.97% yesterday at $51.10. Walgreen Co. (NYSE: WAG ) - Walgreen Co. had one of the biggest trading volume advances on the NYSE yesterday, trading nearly twenty four million shares. The stock climbed as high as $45.80 in intra-day trading, making it a new 52-week high for the Company. Walgreen announced revenues revealing that for the quarter ended Feb. 28 (Q2), the Company missed slightly on revenues but beat expectations on earnings per share. Walgreen also announced that they are expanding their supply agreement with AmerisourceBergen Corp. through a 10-year deal that gives it and European health and beauty retailer Alliance Boots a minority stake in the pharmaceutical wholesaler. The contract is said to be worth $400 billion over a decade. Shares of WAG closed up 5.44% at $44.74.