Here is a Weekly chart of ADBE (Adobe Systems) with 2 parallel lines showing a completed Measured Move:
As you can see in the above chart, the 1st line starts at the August 19, 2011 candle (low of 22.67) and ends above at the November 11, 2011 candle at the high of 30.68. The 2nd line starts after the pullback to the November 25, 2011 candle (low of 25.72) and ends this week at the high of 33.83.
A quick look at the math and these 2 moves equal very near to $8. The probability is now high for a pullback and would be the trade setup to look for.