Apple should shrink its finance arm before it goes bananas

The world’s biggest firm has a financial arm half the size of Goldman Sachs

The Apple logo is displayed at the Apple Store June 17, 2015 on Fifth Avenue in New York City. The company began selling the watch in stores Wednesday with their reserve and pick up service — Eric Thayer/Getty Images

It is fashionable to say that tech firms will conquer the financial services industry. Yet in the case of Apple, it seems that the opposite is happening and finance is taking over tech by stealth. Since the death of Steve Jobs, its…