Yesterday seemed to be a good listing experience for Spotify. One would expect some price volatility when it is initially listed. I am sure there will be more of this ahead. The “price discovery” period can be painful with any new listing, just like any IPO.
In the good old days, companies like Intel, designed, developed and produced their own microprocessors. The details and designs of those chips was held close to their chest like your Gramma saved the secret behind her special chocolate chip cookies.