Leon Cooperman, the hedge-fund manager accused of insider trading, said Tuesday that his Omega Advisors will continue investing money for clients even as its assets have dropped to $4 billion. "I have to make adjustments in the team but I'm prepared to run the business at a loss," Cooperman said in an interview with Bloomberg Television. "We're not retiring, we're not sending back the money." The firm oversaw $5.4 billion as of Aug. 31, according to its website. In early 2015, when Cooperman told investors that regulators had subpoenaed Omega for information about trading in certain securities, assets stood at...