Stocks to watch Tuesday: Wal-Mart, Cliffs Natural By: MarketWatch August 16, 2011 at 06:22 AM EDT There’s a mix of earnings results, buyback announcements and movement on an acquisition in the corporate headlines early Tuesday. Read More >> Related Stocks: Agilent Technologies Home Depot Honeywell International Macy's TJX Companies Urban Outfitters Wal-Mart Stores, Inc.