a. Jensen's Alpha or Jensen's Measure. 1  In finance, Jensen's alpha (or Jensen's Performance Index) is used to determine the excess return of a stock, other security, or portfolio over the security's required rate of return as determined by the Capital Asset Pricing Model.t is a common measure of assessing an active manager's performance as it is the return in excess of a benchmark index or risk-free investment. The difference between the fair and actually expected rates of return on a stock is called the stock's alpha.
Guide. A magnetic resonance angiogram (MRA) is a type of magnetic resonance imaging (MRI) scan that uses a magnetic field and pulses of radio wave energy to provide pictures of blood vessels inside the body.
Prostate Specific Antigen (PSA) is a protein produced in small quantities by the cells of a healthy prostate gland but is often elevated in the presence of prostate enlargement, prostatitis, or prostate cancer. PSA test involves drawing blood and then sent to a laboratory. The result is due in few days.