Looking at the universe of stocks we cover at Dividend Channel, on 5/19/15, Salient Midstream & MLP Fund ( SMM) will trade ex-dividend, for its quarterly dividend of $0.367, payable on 5/29/15. As a percentage of SMM's recent stock price of $22.51, this dividend works out to approximately 1.63%, so look for shares of Salient Midstream & MLP Fund to trade 1.63% lower — all else being equal — when SMM shares open for trading on 5/19/15.Below is a dividend history chart for SMM, showing historical dividends prior to the most recent $0.367 declared by Salient Midstream & MLP Fund: In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from SMM is likely to continue, and whether the current estimated yield of 6.52% on annualized basis is a reasonable expectation of annual yield going forward. The chart below shows the one year performance of SMM shares, versus its 200 day moving average: Looking at the chart above, SMM's low point in its 52 week range is $20.80 per share, with $31.51 as the 52 week high point — that compares with a last trade of $22.54. According to the ETF Finder at ETF Channel, SMM makes up 3.85% of the Guggenheim Shipping ETF ( SEA) which is trading relatively unchanged on the day Friday. In Friday trading, Salient Midstream & MLP Fund shares are currently off about 0.3% on the day.