Efficient Market Theory

According to efficient market theory, it is very difficult to develop a "system" that the investor always chooses to display stocks that outperform regular revenue over a period of time. It is impossible for companies to "create books" to distort the value of stocks and bonds. However, according to the analysis of the current literature, companies are likely to "break the system", and otherwise it is possible to manipulate the information to make inventory more than average.

Effective market theory has actually been applied to the field of securities group litigation. The combination of effective market theory and "market fraud theory" has been used in securities group litigation to prove the calculation and mechanism of damages compensation. In the supreme court case, Halliburton v. Erica P. John Fund, US Supreme Court, No. 13-317 confirmed the use of effective market theory to support securities class actions. The Supreme Court Justice Roberts said that the court's ruling was consistent with the "basic" ruling, as "it is possible to" provide direct evidence when there is evidence "rather than relying entirely on efficient market theory "I said.

The Efficient Market Hypothesis (EMH) is a theory of financial economics that shows that asset prices fully reflect all available information. The direct meaning is that it is impossible to continue "to defeat the market" based on risk adjustment because market prices only correspond to new information. The Efficient Market Hypothesis (EMH) was developed by Eugene Fama. He is impossible for investors to purchase underestimated stocks or to sell at high prices, as stocks are always traded at fair value. As a result, it is impossible for experts to exceed the market as a result of stock selection or market timing.

Efficient market theory is an investment theory that stated that it is impossible to "defeat the market" because the stock market efficiency always leads to existing stock prices that reflect all relevant information (Investopedia, 2014 Year). Stocks are usually traded at fair value, so securities exchanges are kept fair and sincere with effective market theory. It prevents investors from buying and selling at too high a price. Another source of market imbalance may be oversupply. Oversupply can also lower product prices. Having more products may mean that the customer did not purchase it or that there are too many suppliers of the same product. To solve this problem, limit the number of similar products available in the economy. The opposite effect on revenue is very beneficial to business competitors.