Looking at the universe of stocks we cover at Dividend Channel, on 12/10/14, Gabelli Healthcare & Wellness Trust ( GRX) will trade ex-dividend, for its quarterly dividend of $0.12, payable on 12/19/14. As a percentage of GRX's recent stock price of $10.67, this dividend works out to approximately 1.12%, so look for shares of Gabelli Healthcare & Wellness Trust to trade 1.12% lower — all else being equal — when GRX shares open for trading on 12/10/14.Below is a dividend history chart for GRX, showing historical dividends prior to the most recent $0.12 declared by Gabelli Healthcare & Wellness Trust: In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from GRX is likely to continue, and whether the current estimated yield of 4.50% on annualized basis is a reasonable expectation of annual yield going forward. The chart below shows the one year performance of GRX shares, versus its 200 day moving average: Looking at the chart above, GRX's low point in its 52 week range is $8.86 per share, with $10.92 as the 52 week high point — that compares with a last trade of $10.67. According to Preferred Stock Channel, there is a series of preferred stock that is senior to GRX, which trades under the symbol GRX.PRA — more info ». In Monday trading, Gabelli Healthcare & Wellness Trust shares are currently up about 0.2% on the day.