Weak form market efficiency is a concept that suggests past stock prices and trading volumes do not predict future stock prices. In a weak form efficient market, all historical information is already ...

Mainstream economics and finance theories hold that markets immediately adjust to new information. While market prices do ...

I began this article with the goal of addressing an academic notion, the efficient-market hypothesis, or EMH. My research dissuaded me. In one University of Chicago article, a faculty member questions ...

The return on equity and its more expansive variant, the return on invested capital, measure what a company is making on the capital it has invested in business, and is a measure of business quality.

The April 11 issue ofMoney Managementfeatured Robert Keavney’s Messenger article. While I respect Robert, I am afraid that his article could produce many misunderstandings of Efficient Market Theory ...