Goldman and Morgan Stanley jockey over new turf; Web-scraping is the hottest new investing edge; UBS

  Dear Readers, In between Amazon's bombshell decision to no longer build a second headquarters in Long Island City, and President Trump's national emergency to build a border wall, it was easy to miss a small piece of fintech news that I think is emblematic of much larger trends shaping the financial world. If you're new to the Wall Street Insider newsletter, you can sign up here. Robo advisor Wealthfront on Thursday announced that it had launched a "cash account" (akin to...