Mark Cuban, the outspoken billionaire owner of the Dallas Mavericks basketball team, was ordered by a U.S. federal appeals court on Tuesday to face a civil fraud lawsuit accusing him of insider trading. The U.S. Fifth Circuit Court of Appeals said a federal district court in Dallas erred in dismissing the case brought by the U.S. Securities and Exchange Commission against Cuban. It sent the case back to that court for further proceedings, which could lead to a trial. In its lawsuit, the SEC accused Cuban of selling his 6.3 percent stake in Mamma.com in June 2004 after learning the...