Looking at the universe of stocks we cover at Dividend Channel, on 11/29/13, Suncor Energy Inc. ( SU) will trade ex-dividend, for its quarterly dividend of $0.20, payable on 12/24/13. As a percentage of SU's recent stock price of $34.59, this dividend works out to approximately 0.58%, so look for shares of Suncor Energy Inc. to trade 0.58% lower — all else being equal — when SU shares open for trading on 11/29/13.Below is a dividend history chart for SU, showing historical dividends prior to the most recent $0.20 declared by Suncor Energy Inc.: In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from SU is likely to continue, and whether the current estimated yield of 2.31% on annualized basis is a reasonable expectation of annual yield going forward. The chart below shows the one year performance of SU shares, versus its 200 day moving average: Looking at the chart above, SU's low point in its 52 week range is $26.83 per share, with $37.00 as the 52 week high point — that compares with a last trade of $34.59. According to the ETF Finder at ETF Channel, SU makes up 6.98% of the Guggenheim Canadian Energy Income ETF ( ENY) which is trading lower by about 0.7% on the day Wednesday. In Wednesday trading, Suncor Energy Inc. shares are currently off about 0.7% on the day.