Going in through back door for M&A deal profits By: CNBC.com News October 03, 2014 at 08:00 AM EDT Mergers have hit a level not seen since the financial crisis, and there is a way for investors to profit from the M&A frenzy-in one trade. Read More >> Related Stocks: AT&T Inc Amtd Idea Group Atlantic Power Corp Capital Strength ETF FT Comcast Corp Comcast Corp DIRECTV Dollar General Dollar Tree Family Dollar Stores Nyli Merger Arbitrage ETF Rogers Corp S&P Biotech SPDR Sigma-Aldrich Time Warner Cable Ultra Nasdaq Biotechnology 2X ETF