@MedievalNomad @RetirementRight If you rely too much on P/E, you will never get a chance to invest in $AMZN $NVDA, $AAPL, $MSFT, $TTD, $PYPL, #FB $GOOG 
I stopped looking at P/E a long time ago. Book Value forget about it either. In the age of internet, it's all about price/volume movement that matters.