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Diversification
The strategy of allocating investments among various financial assets or sectors to reduce risk.
Portfolio
A collection of financial investments like stocks, bonds, commodities, cash, and cash equivalents, including mutual funds and ETFs.
Utility Function
A mathematical representation that ranks individuals' preferences for various combinations of goods and services, aiming to measure happiness or satisfaction.
Efficient Markets Hypothesis
The theory that asset prices fully reflect all available information, making it impossible to consistently achieve higher returns than the overall market through stock picking or market timing.