The cumulative abnormal return (CAR) is a key metric used by investors and financial analysts to evaluate the actual performance of a stock or portfolio relative to what is expected. CAR measures the ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Andy Smith is a Certified Financial Planner ...

When investing, it can be jarring to expect one thing, and for something completely different to happen. Specifically, when your investment shows an abnormal return. What is an abnormal return? As the ...