When will people realize that the market doesn't revolve around Intel ( INTC), Jim Cramer asked his "RealMoney" radio show listeners Wednesday.

"This, frankly, is an opportunity to buy good tech," he said.

Some of the opportunities have already occurred, according to Cramer, pointing to the fact that Broadcom ( BRCM) and Marvell ( MRVL) were down in the morning but have edged back up.

JDSU ( JDSU), Conexant ( CNXT) and Qualcomm ( QCOM) are also companies he included in the good tech list, because these are companies involved in mobile communications and set-top boxes.

The chips that go into things like handheld devices that play video games are hot, said Cramer, but Intel doesn't specialize in these areas. He said it's essentially a PC chip company.

As for Yahoo! ( YHOO), which he owns for his Action Alerts PLUS charitable trust, he said it was a perfect example of why he doesn't like to own expensive stocks.

He took some Yahoo! off the table, but Cramer said he didn't sell enough because he bet it would go higher.

"That bet was wrong," he said.

With a company as expensive as Yahoo!, it will get hammered when it disappoints Wall Street. Why does he think it's so expensive? Because the company trades at 70 times earnings, whereas the average company trades at 18 times earnings.

Even though it reported a good quarter, he said, Yahoo! is so expensive that it got hit for not beating Wall Street expectations.

When you have a company this expensive, there is no room for error, Cramer said, adding that all companies make an error at some point in time.

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