MANHATTAN-BASED American multinational financial services corporation, Morgan Stanley, is an 89-year old firm that doesn’t make just any old call willy-nilly.

So to declare Tesla Motors “arguably the world’s most important car maker” is a very big deal indeed.

And that’s no mean feat for a brand that is still in the fledgling stage of existence, having released the striking Model S – its first bespoke ground-up project, and billed as the world’s first premium electric luxury sedan – less than two years ago in the United states.