The efficient market hypothesis theory states that the market prices securities fairly and efficiently, and investors are unable to outperform the market consistently. Moreover, EMH theory proposes ...

At first blush, stock trading this week is hardly a paragon of the market-efficiency theory, an oft-romanticized idea in Economics 101. After all, big equity gauges plunged on Monday, spurred by fears ...

The Efficient Market Hypothesis (EMH) has retreated from bold claims of efficiency to a weaker defense that abandons its original claims. The "nihilist defense" simply asserts most active managers ...

Forbes contributors publish independent expert analyses and insights. Carrie McCabe reports on asset management, strategy, and investing. In his September 2024 paper, The Less-Efficient Market ...

Two investors discuss recent events with Peloton and the emotional reactivity in the markets. It's been a tough time for many investors lately, and plenty are feeling the pain of beaten-down ...

CHICAGO, Sept. 17, 2025 /PRNewswire/ -- Hull Tactical, a pioneer in quantitative investment strategies, today announced the launch of its Kaggle competition: Hull Tactical Market Prediction, an ...

STOCKHOLM (Reuters) - American economist Eugene Fama, considered the father of the efficient market theory, is the favorite to win this year's Nobel economics prize, due to be announced on Monday. In ...