Examlex
A time series can consist of four different components: long-term trend,cyclical variation,seasonal variation,and random variation.
Semi-strong Form
A form of the Efficient Market Hypothesis that asserts all public information is reflected in the stock prices.
Market Efficiency
Market efficiency is a concept where all available information is already reflected in asset prices, implying that assets are priced perfectly and it is impossible to "beat the market" through expert stock selection or market timing.
Microsoft Stock
The shares of Microsoft Corporation, representing ownership in the company, traded on the stock market.
Strong Form
A hypothesis suggesting that market prices fully reflect all information, both public and private, implying no one can consistently achieve higher returns.
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