Have you ever wondered why activist shareholders travel in packs? It's because they are significantly less effective alone—just like any other minority on a board. Activists (often hedge funds) accumulate a position in a stock because they want to make change happen at a company and, by making change happen, they will make money on their investment. It may be that they think the company is being mismanaged and so is undervalued against its potential. It may be that they think it should be broken up and the pieces sold [...]