Historically, some stocks that provide very high returns can be identified. Does this mean that the market

Question:

Historically, some that provide very high returns can be identified. Does this mean that the market is inefficient? Why or why not?
Stocks
Stocks or shares are generally equity instruments that provide the largest source of raising funds in any public or private listed company's. The instruments are issued on a stock exchange from where a large number of general public who are willing...