But Mould warned that investors are over-paying for Apple. He said: “Investors have simply lost their minds and are blindly piling into 5-6 tech stocks, either directly or via passive, index-trackers, creating a valuation/bubble that will eventually meet a pin and pop/collapse under its own weight – as happened with say the Nifty50 in 1973-74 when valuations paid for safety meant the stocks provided no safety at all when trouble came.”