Funds to double-check their benchmark index after Vanguard mishap? George Michael Gerstein • September 11, 2019 September 9, 2019 • News • Tags: ESG Vanguard social-investing error prompts funds to check controls Vanguard Group's error in adding 11 companies, including a gun manufacturer, to its socially responsible ETF has rattled other ETF managers. Pensions & Investments Print Email LinkedIn Twitter Facebook