As income investors look ahead to 2026, this Vanguard ETF belongs on their shopping lists.With 2025 in the bottom of the ninth inning, savvy investors are looking to get a leg up on 2026 by evaluating stocks and exchange-traded funds (ETFs) that could be winners in the new year. The Vanguard International Dividend Appreciation ETF (VIGI 0.70%) may be an example of a 2026 winner that should be purchased today.If its name sounds familiar, that may be because it's the international counterpart to the more famo ...