Patrick Collison, the co-founder of the $36 billion valued online payments company Stripe, has said that a stock market listing is “not a focus right now”. In a wide-ranging interview with The Information, a San Francisco-based digital publisher, Collison said: “What I tell folks when they’re considering whether or not to join Stripe is the good news and the bad news depends on your disposition. Wherever it is we go, or we get to, it is going to evolve slowly, just by virtue of the nature of the sector.”  Stripe employs over 300 people in Ireland and has 2,800 employees…