Bridgestone Corp. (TYO:5108) is looking to rebuild the earnings power of its core businesses as part of a new medium-term business plan for fiscal 2021–2023. By pursuing restructuring under this medium-term plan, Bridgestone aims to minimize its operating costs, reducing fixed costs by 53 billion yen ($496.66 million). Further, the company is planning over the three-year period to cull approximately…