Looking at the universe of stocks we cover at Dividend Channel, on 5/8/13, Southcross Energy Partners LP ( SXE) will trade ex-dividend, for its quarterly dividend of $0.40, payable on 5/15/13. As a percentage of SXE's recent stock price of $21.47, this dividend works out to approximately 1.86%, so look for shares of Southcross Energy Partners LP to trade 1.86% lower — all else being equal — when SXE shares open for trading on 5/8/13.Below is a dividend history chart for SXE, showing historical dividends prior to the most recent $0.40 declared by Southcross Energy Partners LP: In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from SXE is likely to continue, and whether the current estimated yield of 7.45% on annualized basis is a reasonable expectation of annual yield going forward. The chart below shows the one year performance of SXE shares, versus its 200 day moving average: Looking at the chart above, SXE's low point in its 52 week range is $18.34 per share, with $26.49 as the 52 week high point — that compares with a last trade of $21.38. According to the ETF Finder at ETF Channel, SXE makes up 1.69% of the Global X Junior MLP ETF ( MLPJ) which is trading relatively unchanged on the day Tuesday. In Tuesday trading, Southcross Energy Partners LP shares are currently trading flat on the day.