More earnings are on deck Tuesday, June 24 at the Nasdaq Marketsite. Walgreen shares are closing in on 52 week highs, and analysts are saying the company could find itself with an activist shareholder. When it reports earnings Tuesday morning, we'll know more about the retailer's future. Plus Apple's back, putting out iPhones that are bigger, rounder and in 4.7-inch and 5.5-inch screens. With an impressive run for shares over the last 12 months, can Tim Cook top expectations? Plus, Jim Cramer likes Xilinx shares, where he's been rebuilding his position since April. He's bullish on China growth for the stock.