Looking at the universe of stocks we cover at Dividend Channel, on 5/9/13, U.S. Global Investors, Inc. (GROW) will trade ex-dividend, for its monthly dividend of $0.005, payable on 5/28/13. As a percentage of GROW's recent stock price of $2.87, this dividend works out to approximately 0.17%.Below is a dividend history chart for GROW, showing historical dividends prior to the most recent $0.005 declared by U.S. Global Investors, Inc.: In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from GROW is likely to continue, and whether the current estimated yield of 2.09% on annualized basis is a reasonable expectation of annual yield going forward.The chart below shows the one year performance of GROW shares, versus its 200 day moving average: Looking at the chart above, GROW's low point in its 52 week range is $2.56 per share, with $6.32 as the 52 week high point — that compares with a last trade of $2.87. In Tuesday trading, U.S. Global Investors, Inc. shares are currently down about 0.7% on the day.