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Right now, tech stocks are about 20 percent undervalued. While I wouldn't be surprised if some profit-taking took place, we still see a lot of upside.

If you wait for the proof that demand is improving you'll be left behind, ... The markets are anticipating that the economy is not only recovering but improving. Techs have been leading the way and we expect that to continue.

But as the economic news continues to improve ever so slightly, we're seeing buyers come out in force -- we would not be surprised to see that continue through year-end into early next year.

We still think there's at least 10 percent upside in tech, ... The sector's had a tremendous run, so it's not surprising that it's taking a rest. There will be follow through. When that follow through will take place is anybody's guess.