These embarrassing mega-merger flops prove that bigger isn’t always better By: MarketWatch June 11, 2019 at 05:20 AM EDT Raytheon-United Technologies deal may work out, but mergers can be painful for investors, writes Jeff Reeves. Read More >> Related Stocks: Bank of America Boeing Co HP Inc Kraft Heinz Company Raytheon Co Sentinelone Inc Cl A United Technologies