SEC tells companies to be careful how they talk about free cash flow By: MarketWatch June 30, 2017 at 13:10 PM EDT The SEC hasn’t stopped writing to companies about non-GAAP metrics and ‘free cash flow’ has recently become a hot topic Read More >> Related Stocks: 3M Co Amazon.com Dunkin' Brands Group Live Nation Entertainment Monsanto Co Owens-Illinois Tesla, Inc.