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1. The total return on an investment over a period of time.

2. A subjective measure of how an investment or the market generally is doing over a period of time.

3. In contracts, substantial completion of an agreed-upon task. That is, a party to a contract performs the contract when he has more-or-less completed what he has agreed to do, with no or only minor work left to do.


Performance, expressed as a percentage, measures the total return an investment provides over a specific period. It can be positive, representing a gain in value, or negative, representing a loss.

While return is reported on a second-to-second and day-to-day basis, short-term results are less significant an indicator of strength or weakness than performance over longer periods, such as one, five, or ten years.

Past performance is one of the factors you can use to evaluate a specific investment, but there's no guarantee that those results will be repeated in the future. What past performance can tell you is the way the investment has previously reacted to fluctuations in the markets, and, in the case of managed funds, something about the skills of the manager.

An investment is said to outperform when its return is stronger than the return of its benchmark or peers over the same period. Conversely, it is said to underperform if its results lag those of its benchmark or peer.


In contracts, the substantial completion of all duties and responsibilities. Note: The exact meaning of the word “substantial” is the cause of much litigation in contract law.
References in periodicals archive ?
Individual Musicians: buglers for funerals, solo vocalists, pianists or other instrumentalists perform for official functions or ceremonies
11 High Knee Skip: Perform a skip on the down foot, coinciding with a high knee action with the opposite leg.
Unless security concerns would be violated, the individual should be permitted to perform work at home or at a separate office the individual maintains.
The Martha Graham Dance Company performs at University of Washington's Meany Hall for the Performing Arts October 23-25, followed by Grupo Corpo November 20-22.
Warning: An athlete cannot be allowed to return to competition until he can perform all of the activities in the controlled environment of rehab.
The rules stipulate the following requirements for maintaining independence when a member performs nonattest services for all attest client:
7) He adds that when a performer's musical abilities are matched by the music he or she performs, the self is completely engaged and drawn toward the next level of complexity.
2) Dottie Klemetson performs with the Cool Cats at the Santa Clarita Valley Senior Center.
And PHILADANCO performs Danny Ezralow's Xmas Files for the second year (December 7-9, Annenberg Center; 215/898-3900).
The drive, then, reads the old data into its internal data buffer, performs a XOR operation on this old data and the new data, keeps the result in its data buffer, and writes the new data to the medium.
The athlete performs 8 reps in succession and then reaches momentary muscular failure.