Citigroup CEO Jane Fraser said Monday that most of the Wall Street bank’s business clients believe they can cope with U.S. tariffs of up to 10% on foreign countries, including China, but that levies any higher would make things difficult.Fraser, speaking at the Milken Institute Global Conference in Los Angeles, warned that companies across goods and services were waiting to make investments and hire new employees until they were more certain about the business and economic climate. “If it is 10%, most of th ...