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| Jensen Ratio | Calculates the excess return that a portfolio generates over its expected return. This measure of return is also known as alpha. |
| Joint Bond | A bond with two or more parties involved in guarantee of interest and principal. |
| Joint Venture | Agreement between two or more companies agrees to pool their resources to accomplish a specific task. |
| Junk Bond | A low-rated and usually have higher-yielding bond with a credit rating of BB or lower. |