Looking at the universe of stocks we cover at Dividend Channel, on 6/12/15, Gabelli Healthcare & Wellness Trust (GRX) will trade ex-dividend, for its quarterly dividend of $0.13, payable on 6/23/15. As a percentage of GRX's recent stock price of $11.11, this dividend works out to approximately 1.17%, so look for shares of Gabelli Healthcare & Wellness Trust to trade 1.17% lower — all else being equal — when GRX shares open for trading on 6/12/15.Below is a dividend history chart for GRX, showing historical dividends prior to the most recent $0.13 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 4.68% 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 $11.63 as the 52 week high point — that compares with a last trade of $11.08. According to Preferred Stock Channel, there are 2 series of preferred stock that are senior to GRX — find out what they are ». In Wednesday trading, Gabelli Healthcare & Wellness Trust shares are currently up about 0.5% on the day.