An important debate among investors is whether the stock market is efficient—that is, whether it reflects all the information made available to market participants at any given time. The efficient market hypothesis (EMH) maintains that all stocks are perfectly priced according to their inherent investment properties, the knowledge of which all market participants possess equally.
Financial theories are subjective. In other words, there are no proven laws in finance. Instead, ideas try to explain how the market works. Here, we take a look at where the efficient market hypothesis has fallen short in terms of explaining the stock market's behavior. While it may be easy to see a number of deficiencies in the theory