Cisco's Errant China-Travel Alert Shows Tech's Huawei Alarm

Photographer: David Paul Morris/Bloomberg
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The arrest of a high-profile Chinese executive has amped up jitters among U.S. technology companies already fretting that a trade war between the two countries could hurt business.

After Huawei Technologies Co. Chief Financial Officer Meng Wanzhou was arrested in Canada at the behest of the U.S., there were signs that U.S. companies were starting to reconsider sending executives to China for fear of retaliation.