Activist investor Nelson Peltz is betting big on Unilever, and he's starting to help shape the business, like he did with Procter & Gamble. It is a mistake to blindly follow any famous investor, but that doesn't mean you shouldn't pay attention to what they are doing. That's particularly true with Nelson Peltz, an activist investor who prefers to work with the companies in which he invests. He has a long track record of helping off-track companies get back on the growth path. Right now, he's working with co ...