Feared activist investor Elliott Management took a $4 billion stake in Pepsi. That shouldn't scare the CEO.

It's never a good day when an activist investor announces a big stake in your company, with a public campaign pointing out the flaws in your strategy, even if it is expected. Pepsi's leadership got to experience the thrill of receiving a letter from billionaire Paul Singer's Elliott Management informing them that their sprawling conglomerate was underperforming on Tuesday. Elliott's $4 billion stake in the consumer packaged goods and beverage behemoth comes with the expectation that changes will be made qu ...