AT&T, Time Warner shares fall over doubts on deal clearance
Shares of AT&T and Time Warner fell by 1.5% and 2.2% respectively on Monday following concerns that AT&T's $85 billion takeover of the media group may be blocked by regulators. Rating agency Moody's said it was reviewing AT&T for a downgrade because of doubts over the merger. The company's credit rating could be cut to Baa2, the second-lowest grade.