Vanguard Group's Standard & Poor's 500 ETF is on the edge of finally seizing the title of the world's largest exchange-traded fund from rival State Street Global Advisors' product, the SPDR S&P 500 Trust ,

With Vanguard taking the top place among the ETF providers, it is now time to consider two of its ETFs with over 10% upside potential in the next 12 months. These include Vanguard Communication Services ETF (VOX) and Vanguard Dividend Appreciation ETF (VIG).

Retail investors are getting into the idea of passive investing and we’ve seen a steady increase in the funds poured into ETFs. A top choice for investors, Vanguard has set a gold standard for low-cost funds that are ideal for long-term investors.