The surprise arrest of Meng Wanzhou, chief financial officer of Huawei Technologies Co., has thrust the company into a political firestorm and deepened a core threat: that more and more countries will blacklist its switches, routers and phones out of growing concern that they ...

The European Union's record $5 billion fine against Google, levied Wednesday morning, marks the biggest regulatory attack yet on technology giants. But investors and analysts largely shrugged off the ruling's potential to immediately dent Google's business. The real damage will hinge on how aggressively the ...