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China Tech Magnate Sees Bubble in Industry That Enriched Him

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Zhao Weiguo, who became a billionaire buying semiconductor companies, says the industry has entered a “serious bubble” in China after valuations surged.

Many of the nation’s chipmakers are too expensive given “fierce” competition, Zhao, the chairman of Tsinghua Unigroup Ltd., said in a May 30 interview in Beijing. The investment arm of China’s Tsinghua University, which has announced $4.7 billion of acquisitions in the past two years, isn’t planning more deals in the integrated circuit industry, he said.