As we buy or sell we are effectively making an assumption about the future - even though few of us have a clue about it. Today's Stocks & Topics: Investing for Kids, ABBV - AbbVie Inc., GDX - VanEck Vectors Gold Miners ETF, Compounding, Mutual Funds, GDX - VanEck Vectors Gold Miners ETF, TRIP - TripAdvisor Inc.