A federal judge yesterday stopped H&R Block (HRB -3.9%) from acquiring rival TaxAct, saying...

|By:, SA News Editor

A federal judge yesterday stopped H&R Block (HRB -3.9%) from acquiring rival TaxAct, saying the proposed $287M merger would violate U.S. antitrust law. The ruling provides momentum for the Justice Department as it prepares for a trial in its bid to block AT&T's (T) merger with T-Mobile (DTEGY.PK), and there are strong parallels between the two cases.