Thinking about Zoetis and whether to hang on, buy more, or move on? You are far from alone; the stock has made some surprising moves lately and investors everywhere are asking the same questions. After a modest 0.5% gain over the past week, Zoetis is still sitting well below its recent peaks, down 3.2% over the last month and trailing by a hefty 24.5% versus this time last year. It’s clear the risk perception around Zoetis has changed, perhaps spurred on by shifting sentiment in the broader animal health market and a cautious approach from institutional investors.

Of course, numbers like a -1.6% return over three years and -6.4% over five years tell their own story, but they don’t always say what is coming next. With the latest close at…