(July 11, 2017, 1:27 PM EDT) -- PORTLAND, Ore. — The Ninth Circuit U.S. Court of Appeals on July 10 vacated a district court's decision enjoining two surety companies from participating in an international arbitration case, vacating a trial court's ruling enjoining them from pursuing their claims related to a guarantee (Portland General Electric Co. v. Liberty Mutual Insurance Co., et al., No. 16-35628, 9th Cir., 2017 U.S. App. LEXIS 12267)....