(Bloomberg) — A U.S. ban of China Telecom (Americas) Corp. by regulators signals an escalation of tension as the world’s two largest economies clash over issues ranging from the coronavirus to cyber-espionage and computer chips. Most Read from Bloomberg Cities' Answer to Sprawl? Go Wild. Hamburg Is at the Heart of Germany’s Growing Dilemma Over China Why Americans and Britons Are Rushing to Buy Idyllic Homes in Italy One of California’s Wealthiest Counties Could Run Out of Water Next Summer The Top Money Maker at Deutsche Bank Reaps Billions From Singapore The U.S. Federal Communications Commission on Tuesday voted 4-0…