We Know M&A's Back-But Where's It Going Next? By: CNBC.com News February 16, 2013 at 04:19 AM EST M&A activity could be up as much as 50 percent this year, and analysts point to energy, tech, consumer goods and chemicals as the sectors to watch. Read More >> Related Stocks: Berkshire Hathaway CBS Corp Comcast Corp Time Warner Via Renewables Inc Viacom