Wealthfront’s IPO Is Here. Its CEO Says Go-Go Speculators ‘Aren’t Our Clients’ 2 hr 29 min ago Fast-paced speculative investing might be in vogue. But at least one money manager says it isn’t trying to make a quick buck. Neither, it seems, are its investors. Wealthfront, a robo-advisor that promotes investing for the long haul, today listed…