According to Extreme Value Stocks fair value is at 54.02
There is no such thing as a stock is good or bad, as long as you know when to buy and when to sell. I would not sell or short a stock that has enough business as far as eye can see, in a landscape where govt dollars are financing a tech boom
OK, on the date of you provided this wisdom to the masses, CERN closed at 78.11.
Where is it now, Einstein?