Examlex
Why do the authors state that "Listening to the brain with an EEG machine is like standing outside a sports stadium: You know when something is happening but you can't be sure what it is or who is doing it."
Price-to-earnings Ratios
A valuation metric that compares the market price of a stock to its per-share earnings, used to evaluate if a stock is over or undervalued.
Weak Form
A market efficiency hypothesis that suggests past prices and volumes have no effect on future prices, implying that past market data cannot be used to predict future market movements.
Efficient Market Hypothesis
A theory suggesting that at any given time, securities prices reflect all available information, meaning it's impossible to consistently achieve higher returns.
Superior Returns
Returns that exceed the performance of a benchmark index or the average returns of a particular investment category.
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