Buying alpha: The easiest way to stock gains By: CNBC.com News February 26, 2014 at 12:59 PM EST Talk about following the money. Investors looking to beat the S&P 500 need only track companies that are spending the most money lobbying Washington. Read More >> Related Stocks: 3M Co Accenture Plc Alexion Pharmaceuticals Altria Group Brown-Forman Sentinelone Inc Cl A