 Job one for the new CEO of Vanguard, according to the Wall Street Journal, is to fix customer service. The fund manager drew a lot of its customers by cutting fees, but now the report says social media, review websites, and Reddit are inundated with customers who complain about trades that glitched, incorrect balance information, and hard-to-reach customer representatives. Vanguard has lost business because of it. On Wall Street, small moves of a tenth to two-tenths of a percent in both directions