which best describes what a market index does?\n\n- an index measures market performance.\n- an index…

which best describes what a market index does?\n\n- an index measures market performance.\n- an index measures economic trends.\n- an index measures growth.\n- an index measures the performance of a single stock.
Answer
Brief Explanations:
A market index is a statistical measure that tracks the value of a specific group of stocks or other assets. It serves as a benchmark to evaluate the overall performance of a particular market or a specific sector within the economy. By aggregating the price movements of multiple securities, it provides a snapshot of how the market is trending as a whole, rather than focusing on the performance of an individual stock or broad economic indicators like GDP.
Answer:
An index measures market performance.