'Sell in May' just isn't what it used to be By: CNBC.com News May 30, 2014 at 09:40 AM EDT For the second year in a row, selling in May hasn't panned out. The S&P 500 posted a nearly 2 percent gain this month. Read More >> Related Stocks: Avon Products Big Lots Coach D.R.Horton Delta Air Lines EOG Resources Nordstrom PulteGroup Southwest Airlines Staples TJX Companies Target Corp Tiffany & Co Vale ADR Representing One Ord Shs Wal-Mart Stores, Inc.