Looking at the universe of stocks we cover at Dividend Channel, on 5/15/13, Linear Technology Corp. ( LLTC) will trade ex-dividend, for its quarterly dividend of $0.26, payable on 5/29/13. As a percentage of LLTC's recent stock price of $38.14, this dividend works out to approximately 0.68%, so look for shares of Linear Technology Corp. to trade 0.68% lower — all else being equal — when LLTC shares open for trading on 5/15/13.Below is a dividend history chart for LLTC, showing historical dividends prior to the most recent $0.26 declared by Linear Technology Corp.: In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from LLTC is likely to continue, and whether the current estimated yield of 2.73% on annualized basis is a reasonable expectation of annual yield going forward. The chart below shows the one year performance of LLTC shares, versus its 200 day moving average: Looking at the chart above, LLTC's low point in its 52 week range is $28.28 per share, with $38.90 as the 52 week high point — that compares with a last trade of $38.16. According to the ETF Finder at ETF Channel, LLTC makes up 4.87% of the Dynamic Semiconductors Portfolio ETF ( PSI) which is trading relatively unchanged on the day Monday. In Monday trading, Linear Technology Corp. shares are currently off about 0.6% on the day.