Five-star Term category: General Investing, Funds In 10 words or less: The highest rating given to stocks and mutual funds by Morningstar.
Definition: The highest score available in Morningstar's popular star rating system.
StockJargon Advice: Morningstar is a widely-respected independent research company and its star system is largely synonymous with the mutual fund industry. Five-star funds are considered to be those that generate superior risk-adjusted returns. Studies have shown that gaining a five-star ranking leads to more people investing in the fund, so mutual funds try to improve their rankings.
Morningstar also uses this system to rate more than 1,600 stocks.