Betterment wants to understand why Robinhood has such a powerful psychological pull on do-it-yourself investors, and is eyeing ways to help its own users 'scratch that need for control'

· In a recent interview with Business Insider, Betterment president of retail Mike Reust offered a window into how the robo-adviser thinks about the recent self-directed trading mania.
· Betterment is not trying to launch a "Robinhood clone," Reust told us. But it is trying to tap into the retail trading surge with more...