U.S. Global Investors [www.usfunds.com]

 

 

Sources: BondFunds.com, Investopedia, the balance, U.S. Global Investors
The S&P 500 Stock Index is a widely recognized capitalization-weighted index of 500 common stock prices in U.S. companies.
Barclays Capital 3-Year Municipal Bond Index measures the performance of municipal bonds with time to maturity of approximately three years.