Looking at the universe of stocks we cover at Dividend Channel, on 12/18/13, Allegheny Technologies, Inc ( ATI) will trade ex-dividend, for its quarterly dividend of $0.18, payable on 12/27/13. As a percentage of ATI's recent stock price of $32.87, this dividend works out to approximately 0.55%, so look for shares of Allegheny Technologies, Inc to trade 0.55% lower — all else being equal — when ATI shares open for trading on 12/18/13.Below is a dividend history chart for ATI, showing historical dividends prior to the most recent $0.18 declared by Allegheny Technologies, Inc: In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from ATI is likely to continue, and whether the current estimated yield of 2.19% on annualized basis is a reasonable expectation of annual yield going forward. The chart below shows the one year performance of ATI shares, versus its 200 day moving average: Looking at the chart above, ATI's low point in its 52 week range is $25.60 per share, with $34.49 as the 52 week high point — that compares with a last trade of $32.90. According to the ETF Finder at ETF Channel, ATI makes up 3.55% of the SPDR S&P Metals and Mining ETF ( XME) which is trading lower by about 0.3% on the day Tuesday. In Tuesday trading, Allegheny Technologies, Inc shares are currently off about 0.7% on the day.