If you look at its trailing PE now standing at 166, and its forward PE at around 44, and according to Yahoo finance its PEG as of now is 1.88, implying a 26% annual growth rate for next FIVE years. These suggest what I believe an extremely unrealistic optimistic sentiment in a long term perspective.
Komen:
Combined with a probable global economic contraction that no one born after 1929 has ever experienced would be a perfect scenario of what you know would happen next.