What is efficient market hypothesis?
Efficient market hypothesis postulates that markets converge on a fair price with all available information being generally available to the market.  Thus it is not logical that any one person can beat the market, if all information is generally available.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: What is efficient market hypothesis?
### Input: 
### Response: Efficient market hypothesis postulates that markets converge on a fair price with all available information being generally available to the market.  Thus it is not logical that any one person can beat the market, if all information is generally available.