efficient market hypothesis

The Efficient-Market Hypothesis (EMH) is a popular theory within the world of finance. The idea behind EMH is that the stock market is "informationally efficient," meaning that a stock is always accurately valued at any given time based on the information that is publicly available about...

The efficient market hypothesis (EMH) is an investment principle which argues that it's impossible for investors to beat the market because the stock market is so efficient and any change in share price accurately incorporates and reflects all news and information. Is this nonesense?...

The site Philosophical Economics recently published a challenge to the consensus idea that the explosive growth in U.S. equity index funds in unsustainable. The author argues instead that passive management over time increases the accuracy of market prices and reduces the opportunity for active...

There are millions of tweets written every day. Benzinga sifts through the maelstrom of information to find the ten best tweets of the day that are either informative, insightful, or just down right comical. 1. Pawel Morski Pawel Morski (@Pawelmorski) tweeted about the flaring feud between...

“That is one of the most ridiculous ideas ever recorded." What prompted Jack Schwager to utter these words? The famed author and futures portfolio manager recently spoke to Benzinga, and he denounced one piece of Wall Street conventional wisdom: the efficient market hypothesis. The hypothesis...