Supply ChainShares fall 10% as Taiwan prosecutors investigate top PCB makerUnimicron is one of the world's top chip substrate and printed circuit board makers and a key supplier to Nvidia, Intel, Google and Amazon.August 31, 2026 09:00 JSTUpdated on August 31, 2026 10:30 JSTTAIPEI -- Taiwanese prosecutors said they are investigating Unimicron, a key supplier to Nvidia and Intel, over allegations that the leading printed circuit board maker falsely relabeled China-made parts as originating in Tai...