Jumped up huge on huge volume then went down slowly for days on profit taking.http://stockcharts.com/h-sc/ui?s=wtw
Ancestry.com is a different business model. You need to be comparing apples to apples. Like NFLX or OPEN back when it was under $50
Market is also overbought right now.
I know it's not in the same sector. I'm talking about TA. If you want to buy, wait for pull back especially if using margin.