A Morningstar star rating is the measure of the risk-adjusted return of a fund relative to other funds in the same category, explains Fund ratings range from one to five stars, with the top performers receivin... More »

The highest star rating a stock can receive is a five, explains Morningstar. The Morningstar Rating for stocks varies from one to five stars, depending on how risky a stock is. Five-star ratings can also be broken into h... More »

The Morningstar stock star ratings are analyst-driven estimates of stocks' fair values, according to Morningstar. Values are updated daily. Stocks that are trading close to Morningstar analysts' fair value estimates rece... More »

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Morningstar bases its mutual fund ratings on past performance, and the funds in the top 10 percent of each fund category receives a five-star rating, explains Morningstar. Morningstar rates funds on a three-, five- and 1... More »

The Morningstar Rating for Funds is a proprietary system that assigns each mutual fund a rating from one to five stars based on the fund's historical performance in relation to similar funds, according to the Morningstar... More »

As of 2015, the top index funds include Vanguard index fund, Charles Schwab index funds and ishares exchange traded index funds, according to Index funds own stocks they track so that investors don't have to c... More »

On average, mutual funds that carry the greatest risk, like aggressive growth and income funds, have the potential to produce the greatest return on investment, according to Investopedia. An investor in a mutual fund who... More »