Week X Topic A Title: A title/headline for your topic [add content here] Link: Link(s) to the source(s) for your topic [add content here] Summary/Precis: In your own words [add content here] Why I...

Week X
    Topic A
    Title:
A title/headline for your topic
    Market Efficiency
    Link:
Link(s) to the source(s) for your topic
    https://www.investopedia.com/terms/m/marketefficiency.asp
    Summary/Precis:
In your own words
    Efficiency in the market is the degree to which the market price of a stock reflects all relevant data and information to the investors. Hence, there is no way the investors can make more profits than the others and beat the market as all the relevant information has already been incorporated into the prices of the stock. Also due to this reason there are no chances of any under or over valuation of the stock.

This term was defined by famous economist Eugene Fama in the year 1970. But he was unclear to prove how efficiently or precisely the market efficiency can be measured.
As per the Efficiency Market Hypothesis, it was proved that no investors can beat or outperform the market and the market anomalies does not exists because they will be arbitraged much earlier.
    Why I found this interesting:
In your own words
    This topic is interesting due to the fact that it helps us to analyse whether the US Stock market are efficient and to what degree. It also helps us to analyse whether all the current prices of a stock really...