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Mega Merger Monday; AT&T to buy DirecTV; AstraZeneca rejects improved offer from Pfizer; Hiring for MBAs is picking up

Hot Stock Minute

It's official. AT&T is buying DirecTV for $48.5 billion in stock and cash. AstraZeneca rejects Pfizer's improved and "final” takeover bid. And a new survey finds hiring for MBAs is picking up.