Trump’s vow to block AT&T–Time Warner tie-up creates a cloud over M&A market By: MarketWatch November 09, 2016 at 13:29 PM EST The burst of activity in October is expected to pop. Read More >> Related Stocks: AT&T Inc Aetna Anthem Inc Cigna Corp Comcast Corp Humana Nxp Semiconductors Qualcomm, Inc. Standard & Poors 500 Time Warner