In reviewing the daily chart for Z, the strong uptrend since the middle of May has continued without any significant sell off. Note that there are several price levels to keep an eye on during any pullback, as noted on the chart.
In the near term, the $140 and $130/$132 levels are support. The stock broke through $140 with conviction early last week after struggling with it the week before. Despite pulling back from the highs and retesting $140, the stock held above it for the close on 7/3/14.Seems the stock wants higher still.