Corporate supply chains facing increased tariffs have several routes to relief. Pioneer is the latest electronic firm to successfully gained an exemption from U.S. duties, while Kyocera is following its competitor in relocating out of China. Also: Walmart, Dollarama face risk of disruption from Vancouver strikes; new plastic waste rules lead shippers to scrap supply chain plans; Seaboard faces stiff competition from Maersk, Crowley on new routes; shipbuilding renaissance not widespread, faces trade conflict risk; currency risks wane, rare earth worries rise in U.S.-China trade conflic...