TOKYO—Toshiba Corp. has mostly given up on an $18 billion sale of its chip unit because its officials consider near-term Chinese antitrust approval unlikely, leading them to accelerate a review of alternatives, people involved in the matter said.
Toshiba reached a deal last September to sell its NAND flash-memory unit to a group led by U.S. private-equity firm Bain Capital, but the deal has been waiting for a nod from antitrust regulators in China, one of the unit’s top markets.
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