CNBC turns 25 on Thursday, April 17, 2014. A look back: From the early days in 1989 to the present.» Read More
Bill Ackman also tells CNBC that Allergan's poison-pill defense doesn't make his takeover bid more difficult.
The bull market is seeing the equivalent of its first gray hairs and the proof is in Tuesday's blast of merger activity.
Greenlight Capital supports the subject of the book 'Flash Boys' and thinks investors should consider routing orders there.