"AAR" can refer to different things depending on the context. Here are some possible meanings:
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Average Annual Return: AAR is a percentage that represents a mutual funds historical average return, usually stated over three-, five-, and 10 years. It is used to measure the long-term performance of a mutual fund.
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AAR Corp.: AAR is a global aerospace and defense company with operations in over 20 countries. It provides aviation services worldwide, including supply chain solutions, maintenance, repair, and overhaul services.
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Association of American Railroads: AAR is a railroad policy, research, standard-setting, and technology organization that focuses on the safety and productivity of the U.S. freight rail industry. Its members include the six Class I freight railroads in the United States, Canada, and Mexico, as well as Amtrak.
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After Action Review: AAR is a structured meeting that helps teams learn from their actions sooner rather than later. It is used to discover the lessons provided by a teams actions and improve future performance.
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Annual Average Return: AAR is a formula used to assess an assets performance over time. It calculates the annual average profit of a given investment and is used to analyze the overall historical performance of a given investment. Real estate, whether residential or commercial, bonds, stocks, and more investment vehicles can be analyzed using AAR.
In summary, "AAR" can refer to different things depending on the context, such as a percentage used to measure the long-term performance of a mutual fund, a global aerospace and defense company, a railroad policy and research organization, a structured meeting to learn from actions, or a formula used to assess an assets performance over time.