We should take a step back today, given rising tensions over North Korea and the subsequent fall in New York. And after rising last week for no fundamental reason, we may be due for a fall.

High-tech issues are surrounded by persistent fears over possible profit warnings as we get closer to the mid-year book closing in September.

Buyers are on the sidelines with the U.S. third quarter earnings announcements picking up speed, and more loss warnings are expected from Japanese companies.

A solid Nasdaq is inviting buying in battered high-tech issues here.

You can't ignore the fact that concerns about U.S. economic growth are starting to spread. We've reached a point where it's hard to justify aggressive buying from here.

There's not disappointment here, but also nothing to move the market. We still hold out hope for reform and will continue to watch developments carefully.

European gains should take away some of the doomsday mentality, but investors will be jittery wondering how U.S. stocks will react. There's still much selling left undone.

It's hard to tell where high-tech stocks in the U.S. are headed.

Prolonged confusion in the U.S. presidential election and the growing possibility of a political crisis here mean investors are generally holding back.