ASX

Ase Technology Holding Co., Ltd.

A maker of the packaging and testing that turns raw silicon chips into the working processors inside phones, computers, and cars, ASE Technology Holding is one of the world's largest outsourced semiconductor assembly and test (OSAT) providers. Founded in 1984 in Kaohsiung, Taiwan, as Advanced Semiconductor Engineering by brothers Jason and Richard Chang, it was reshaped in 2018 when it merged with rival Siliconware Precision Industries. A fun twist: the Chang family made its fortune in construction before pivoting to chips.

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