companies whose fortunes are linked to China are pushing back against the Trump administration’s plans to restrict business transactions involving the WeChat app from Tencent Holdings Ltd., saying it could undermine their competitiveness in the world’s second-biggest economy.

multinational companies raised concerns in a call with White House officials Tuesday about the potentially broad scope and impact of Mr.

“For those who don’t live in China, they don’t understand how vast the implications are if American companies aren’t allowed to use it,” said Craig Allen, president of the U.S.-China Business Council.