Looking at the universe of stocks we cover at Dividend Channel, on 5/16/13, Plantronics, Inc. ( PLT) will trade ex-dividend, for its quarterly dividend of $0.10, payable on 6/10/13. As a percentage of PLT's recent stock price of $46.43, this dividend works out to approximately 0.22%.Below is a dividend history chart for PLT, showing historical dividends prior to the most recent $0.10 declared by Plantronics, Inc.: In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from PLT is likely to continue, and whether the current estimated yield of 0.86% on annualized basis is a reasonable expectation of annual yield going forward. The chart below shows the one year performance of PLT shares, versus its 200 day moving average: Looking at the chart above, PLT's low point in its 52 week range is $28.76 per share, with $47.48 as the 52 week high point — that compares with a last trade of $46.17. According to the ETF Finder at ETF Channel, PLT makes up 3.09% of the iShares S&P North American Technology-Multimedia Networking Index Fund ETF ( IGN) which is trading up by about 0.1% on the day Tuesday. In Tuesday trading, Plantronics, Inc. shares are currently up about 0.6% on the day.