A return on a security that differs from the market’s
expected rate of return, or the return that a security would normally produce.
"abnormal rate of return." YourDictionary, n.d. Web. 15 May 2018. <http://www.yourdictionary.com/abnormal-rate-of-return>.
abnormal rate of return. (n.d.). Retrieved May 15th, 2018, from http://www.yourdictionary.com/abnormal-rate-of-return