Why Was Hershey Stock on a Roller Coaster Ride Last Week?

When you buy a stock, you buy an ownership stake in a business. It might be a small stake for most people, but with sufficient resources, it's possible to buy enough shares to actually control the entire company. In fact, there are many examples of wealthy investors doing this in the past.However, when it comes to candy giant The Hershey Company (HSY -0.46%), it doesn't matter how many shares an investor buys because there's an entity called the Hershey Trust Company that maintains control of the business. ...