We know your weekend schedule is already jam-packed with errands and grand plans to escape the heat and take advantage of movie theater air-conditioning, even if it means suffering through "No Reservations," but take a few moments to think about these things:

1) Sector ETFs: What are your favorites? What is the weirdest one you own? And what made you invest in it?

2) Currency ETFs: In which foreign exchanges are you investing? Why have you added currency to your portfolio? If you haven’t done it, why not?

When you’ve got a minute, we’d love to hear from you in the comments or via e-mail.

The opinions and forecasts expressed herein are solely those of Tom Lydon, and may not actually come to pass. Information on this site should not be used or construed as an offer to sell, a solicitation of an offer to buy, or a recommendation for any product.