Looking at the universe of stocks we cover at Dividend Channel, on 5/16/13, USA Mobility Inc ( USMO) will trade ex-dividend, for its quarterly dividend of $0.125, payable on 6/25/13. As a percentage of USMO's recent stock price of $13.62, this dividend works out to approximately 0.92%, so look for shares of USA Mobility Inc to trade 0.92% lower — all else being equal — when USMO shares open for trading on 5/16/13.Below is a dividend history chart for USMO, showing historical dividends prior to the most recent $0.125 declared by USA Mobility Inc: In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from USMO is likely to continue, and whether the current estimated yield of 3.67% on annualized basis is a reasonable expectation of annual yield going forward. The chart below shows the one year performance of USMO shares, versus its 200 day moving average: Looking at the chart above, USMO's low point in its 52 week range is $10.34 per share, with $14.29 as the 52 week high point — that compares with a last trade of $13.65. According to the ETF Finder at ETF Channel, USMO makes up 2.27% of the S&P SmallCap Utilities Portfolio ETF ( PSCU) which is trading relatively unchanged on the day Tuesday. In Tuesday trading, USA Mobility Inc shares are currently up about 0.3% on the day.