Jim Cramer Identifies Buying Opportunity in Walgreen (WAG) Stock After Earnings Next Week

NEW YORK (TheStreet) -- Walgreen  reports its quarterly earnings next week, and TheStreet's Jim Cramer says this will be a key item to watch. Cramer notes CVS  and Rite Aid  both reported great quarters, but says Walgreen has yet to report the kind of quarter that those two companies have. Cramer says if Walgreen doesn't make a blowout quarter like its two peer companies, then the stock could sell off and that would be investors' chance to buy it. Cramer says Walgreen will become internati...