The efficient market hypothesis is based on the notion that prices for securities or assets in a market are always reflective of all information available to investors. The efficient market ...

The famed efficient market hypothesis, or EMH, is widely accepted by academics and modern investors. The hypothesis states that stock prices reflect all available information at any given time ...

The implications here are huge: If true, it would mean that beating the market consistently over the long term is more about luck than skill. This hypothesis is the bedrock of the efficient market ...