An Activist Investor Just Bought $1 Billion Worth of Pfizer. Here's What It Means for the Stock

There may be changes coming to this company, if the activists get their way.On Oct. 6, The Wall Street Journal reported that activist investor group Starboard Value owns a stake in Pfizer (PFE -2.82%) that's worth approximately $1 billion. Now, Starboard will aim to work with the company's management as well as consult with former executives -- all with the aim of turning around Pfizer's sagging fortunes.But can bringing in a new group of advisors do much to bolster Pfizer's competitiveness? Was there actua ...